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The apostrophe ( or ) is a punctuation mark, and sometimes a
diacritic A diacritic (also diacritical mark, diacritical point, diacritical sign, or accent) is a glyph added to a letter or to a basic glyph. The term derives from the Ancient Greek (, "distinguishing"), from (, "to distinguish"). The word ''diacriti ...
al mark, in languages that use the Latin alphabet and some other alphabets. In English, the apostrophe is used for two basic purposes: * The marking of the omission of one or more letters, e.g. the
contraction Contraction may refer to: Linguistics * Contraction (grammar), a shortened word * Poetic contraction, omission of letters for poetic reasons * Elision, omission of sounds ** Syncope (phonology), omission of sounds in a word * Synalepha, merged ...
of "do not" to "don't". * The marking of possessive case of nouns (as in "the eagle's feathers", "in one month's time", "at your parents'‌ ome). The word "apostrophe" comes ultimately from Greek (, '
he accent of He or HE may refer to: Language * He (pronoun), an English pronoun * He (kana), the romanization of the Japanese kana へ * He (letter), the fifth letter of many Semitic alphabets * He (Cyrillic), a letter of the Cyrillic script called ''He'' ...
turning away or elision'), through Latin and
French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...
. For use in computer systems, Unicode has code points for three different forms of apostrophe.


Usage in English


Historical development

The apostrophe was first used by
Pietro Bembo Pietro Bembo, ( la, Petrus Bembus; 20 May 1470 – 18 January 1547) was an Italian scholar, poet, and literary theorist who also was a member of the Knights Hospitaller, and a cardinal of the Roman Catholic Church. As an intellectual of the It ...
in his edition of '' De Aetna'' (1496). It was introduced into English in the 16th century in imitation of French practice.


French practice

Introduced by Geoffroy Tory (1529), the apostrophe was used in place of a vowel letter to indicate
elision In linguistics, an elision or deletion is the omission of one or more sounds (such as a vowel, a consonant, or a whole syllable) in a word or phrase. However, these terms are also used to refer more narrowly to cases where two words are run toget ...
(as in in place of ). It was also frequently used in place of a final "e" (which was still pronounced at the time) when it was elided before a vowel, as in . Modern French orthography has restored the spelling .


Early English practice

From the 16th century, following French practice, the apostrophe was used when a vowel letter was omitted either because of incidental
elision In linguistics, an elision or deletion is the omission of one or more sounds (such as a vowel, a consonant, or a whole syllable) in a word or phrase. However, these terms are also used to refer more narrowly to cases where two words are run toget ...
("I'm" for "I am") or because the letter no longer represented a sound ("lov'd" for "loved"). English spelling retained many inflections that were not pronounced as
syllable A syllable is a unit of organization for a sequence of speech sounds typically made up of a syllable nucleus (most often a vowel) with optional initial and final margins (typically, consonants). Syllables are often considered the phonological "bu ...
s, notably verb endings ("-est", "-eth", "-es", "-ed") and the noun ending "-es", which marked either plurals or possessives, also known as genitives (see Possessive apostrophe, below). An apostrophe followed by "s" was often used to mark a plural; specifically, the '' Oxford Companion to the English Language'' notes that :There was formerly a respectable tradition (17th to 19th centuries) of using the apostrophe for noun plurals, especially in loanwords ending in a vowel (as in ... ''Comma's are used'', Philip Luckcombe, 1771) and in the consonants ''s'', ''z'', ''ch'', ''sh'', (as in ''waltz's'' and ''cotillions'', Washington Irving, 1804)...


Standardisation

The use of
elision In linguistics, an elision or deletion is the omission of one or more sounds (such as a vowel, a consonant, or a whole syllable) in a word or phrase. However, these terms are also used to refer more narrowly to cases where two words are run toget ...
has continued to the present day, but significant changes have been made to the
possessive A possessive or ktetic form (abbreviated or ; from la, possessivus; grc, κτητικός, translit=ktētikós) is a word or grammatical construction used to indicate a relationship of possession in a broad sense. This can include strict owne ...
and plural uses. By the 18th century, an apostrophe with the addition of an "s" was regularly used for all
possessive A possessive or ktetic form (abbreviated or ; from la, possessivus; grc, κτητικός, translit=ktētikós) is a word or grammatical construction used to indicate a relationship of possession in a broad sense. This can include strict owne ...
singular Singular may refer to: * Singular, the grammatical number that denotes a unit quantity, as opposed to the plural and other forms * Singular homology * SINGULAR, an open source Computer Algebra System (CAS) * Singular or sounder, a group of boar, ...
forms, even when the letter "e" was not omitted (as in "the gate's height"). This was regarded as representing not the elision of the "e" in the "-e" or "-es" ending of the word being pluralized, but the elision of the "e" from the
Old English Old English (, ), or Anglo-Saxon, is the earliest recorded form of the English language, spoken in England and southern and eastern Scotland in the early Middle Ages. It was brought to Great Britain by Anglo-Saxon settlement of Britain, Anglo ...
genitive In grammar, the genitive case (abbreviated ) is the grammatical case that marks a word, usually a noun, as modifying another word, also usually a noun—thus indicating an attributive relationship of one noun to the other noun. A genitive can al ...
singular inflection "-es". The plural genitive did not use the "-es" inflection, and since many plural forms already consisted of the "-s" or "-es" ending, using the apostrophe in place of the elisioned "e" could lead to singular and plural possessives of a given word having the exact same spelling. The solution was to use an apostrophe after the plural "s" (as in "girls' dresses"). However, this was not universally accepted until the mid-19th century. Plurals not ending in -s keep the -'s marker, such as "children's toys, the men's toilet", since there was no risk of ambiguity.


Possessive apostrophe

The apostrophe is used in English to indicate what is, for historical reasons, misleadingly called the
possessive A possessive or ktetic form (abbreviated or ; from la, possessivus; grc, κτητικός, translit=ktētikós) is a word or grammatical construction used to indicate a relationship of possession in a broad sense. This can include strict owne ...
case in the English language. This case was called the
genitive In grammar, the genitive case (abbreviated ) is the grammatical case that marks a word, usually a noun, as modifying another word, also usually a noun—thus indicating an attributive relationship of one noun to the other noun. A genitive can al ...
until the 18th century and, like the genitive case in other languages, expresses relationships other than
possession Possession may refer to: Law * Dependent territory, an area of land over which another country exercises sovereignty, but which does not have the full right of participation in that country's governance * Drug possession, a crime * Ownership * ...
. For example, in the expressions "the school's headmaster", "the men's department", and "tomorrow's weather", the school does not own/possess the headmaster, men do not own/possess the department, and tomorrow does not/will not own the weather. In the words of
Merriam-Webster's Dictionary of English Usage ''Merriam-Webster's Dictionary of English Usage'' is a usage dictionary published by Merriam-Webster, Inc., of Springfield, Massachusetts . It is currently available in a reprint edition (1994) or . (The 1989 edition did not include ''Merriam-'' ...
: This dictionary also cites a study that found that only 40% of the possessive forms were used to indicate actual possession. The modern spelling convention distinguishes possessive singular forms ("Bernadette's", "flower's", "glass's", "one's") from simple plural forms ("Bernadettes", "flowers", "glasses", "ones"), and both of those from possessive plural forms ("Bernadettes'", "flowers'", "glasses'", "ones'"). For example, the word "glass's" is the singular possessive form of the noun "glass". The plural form of "glass" is "glasses" and the plural possessive form is, therefore, "glasses'". You would therefore say "I drank the glass's contents" to indicate drinking a drink, but "I drank the glasses' contents" when you've finished your second drink. For singular forms, the modern possessive or
genitive In grammar, the genitive case (abbreviated ) is the grammatical case that marks a word, usually a noun, as modifying another word, also usually a noun—thus indicating an attributive relationship of one noun to the other noun. A genitive can al ...
inflection is a survival from certain genitive inflections in Old English, for which the apostrophe originally marked the loss of the old "e" (for example, became ). Until the 18th century, the apostrophe was extensively used to indicate plural forms. Its use for indicating plural "possessive" forms was not standard before the middle of the 19th century.


General principles for the possessive apostrophe


= Summary of rules for most situations

= * Possessive personal pronouns, serving as either noun-equivalents or adjective-equivalents, do not use an apostrophe, even when they end in "s". The complete list of those ending in the letter "s" or the corresponding sound or but not taking an apostrophe is "ours", "yours", "his", "hers", "its", "theirs", and "whose". * Other pronouns, singular nouns not ending in "s", and plural nouns not ending in "s" all take s" in the possessive: e.g., "someone's", "a cat's toys", "women's". * Plural nouns already ending in "s" take only an apostrophe after the pre-existing "s" to form the possessive: e.g., "three cats' toys".


= Basic rule (singular nouns)

= For most singular nouns the ending s" is added; e.g., "the cat's whiskers". *If a singular noun ends with an "s"-sound (spelled with "-s", "-se", for example), practice varies as to whether to add s" or the apostrophe alone. In many cases, both spoken and written forms differ between writers (see details
below Below may refer to: *Earth *Ground (disambiguation) *Soil *Floor *Bottom (disambiguation) Bottom may refer to: Anatomy and sex * Bottom (BDSM), the partner in a BDSM who takes the passive, receiving, or obedient role, to that of the top or ...
). * Acronyms and initialisms used as nouns (CD, DVD, NATO, RADAR, etc.) follow the same rules as singular nouns: e.g., "the TV's picture quality".


= Basic rule (plural nouns)

= When the noun is a normal plural, with an added "s", no extra "s" is added in the possessive; so "the neighbours' garden" (there is more than one neighbour owning the garden) is standard rather than "the neighbours's garden". * If the plural is not one that is formed by adding "s", an "s" is added for the possessive, after the apostrophe: "children's hats", "women's hairdresser", "some people's eyes" (but compare "some peoples' recent emergence into nationhood", where "peoples" is meant as the plural of the singular "people"). These principles are universally accepted. * A few English nouns have plurals that are not spelled with a final "s" but nevertheless end in an /s/ or a /z/ sound: "mice" (plural of "mouse"; also in compounds like " dormouse", " titmouse"), "
dice Dice (singular die or dice) are small, throwable objects with marked sides that can rest in multiple positions. They are used for generating random values, commonly as part of tabletop games, including dice games, board games, role-playing g ...
" (when used as the plural of "die"), "pence" (a plural of "penny", with compounds like "sixpence" that now tend to be taken as singulars). In the absence of specific exceptional treatment in style guides, the possessives of these plurals are formed by adding an apostrophe and an "s" in the standard way: "seven titmice's tails were found", "the dice's last fall was a seven", "his few pence's value was not enough to buy bread". These would often be rephrased, where possible: "the last fall of the dice was a seven".


= Basic rule (compound nouns)

= Compound nouns have their singular possessives formed with an apostrophe and an added ''s'', in accordance with the rules given above: ''the Attorney-General's husband''; ''the
Lord Warden of the Cinque Ports The Lord Warden of the Cinque Ports is a ceremonial official in the United Kingdom. The post dates from at least the 12th century, when the title was Keeper of the Coast, but may be older. The Lord Warden was originally in charge of the Cinqu ...
's prerogative''; ''this Minister for Justice's intervention''; ''her father-in-law's new wife''. *In such examples, the plurals are formed with an ''s'' that does not occur at the end: e.g., ''attorneys-general''. A problem therefore arises with the ''possessive'' plurals of these compounds. Sources that rule on the matter appear to favour the following forms, in which there is both an ''s'' added to form the plural, and a separate '''s'' added for the possessive: ''the attorneys-general's husbands''; ''successive Ministers for Justice's interventions''; ''their fathers-in-law's new wives''. Because these constructions stretch the resources of punctuation beyond comfort, in practice they are normally reworded: ''interventions by successive Ministers for Justice''.


= Joint or separate possession

= For two nouns (or noun phrases) joined by ''and'', there are several ways of expressing possession, including: :1. marking of the last noun (e.g. "Jack and Jill's children") :2. marking of both nouns (e.g. "Jack's and Jill's children"). Some grammars make no distinction in meaning between the two forms. Some publishers' style guides, however, make a distinction, assigning the "segregatory" (or "distributive") meaning to the form "John's and Mary's" and the "combinatorial" (or "joint") meaning to the form "John and Mary's". A third alternative is a construction of the form "Jack's children and Jill's", which is always distributive, i.e. it designates the combined set of Jack's children and Jill's children. When a coordinate possessive construction has two personal pronouns, the normal possessive inflection is used, and there is no apostrophe (e.g., "his and her children"). The issue of the use of the apostrophe arises when the coordinate construction includes a noun (phrase) and a pronoun. In this case, the inflection of only the last item may sometimes be, at least marginally, acceptable ("you and your spouse's bank account"). The inflection of both is normally preferred (e.g. Jack's and your dogs), but there is a tendency to avoid this construction, too, in favour of a construction that does not use a coordinate possessive (e.g. by using "Jack's letters and yours"). Where a construction like "Jack's and your dogs" is used, the interpretation is usually "segregatory" (i.e. not joint possession).


= With other punctuation; compounds with pronouns

= If the word or compound includes, or even ends with, a punctuation mark, an apostrophe and an ''s'' are still added in the usual way: " Westward Ho!'s railway station"; "''Awaye!'''s Paulette Whitten recorded Bob Wilson's story"; ''Washington, D.C.'s museums'' (assuming that the prevailing style requires full stops in ''D.C.).'' *If the word or compound already includes a possessive apostrophe, a double possessive results: ''Tom's sisters' careers''; ''the head of marketing's husband's preference''; ''the master of foxhounds' best dog's death''. Many style guides, while allowing that these constructions are possible, advise rephrasing: ''the head of marketing's husband prefers that...''. If an original apostrophe or apostrophe with ''s'' occurs at the end, it is left by itself to do double duty: ''Our employees are better paid than McDonald's employees''; ''Standard & Poor's indices are widely used'': the fixed forms of '' McDonald's'' and ''
Standard & Poor's S&P Global Ratings (previously Standard & Poor's and informally known as S&P) is an American credit rating agency (CRA) and a division of S&P Global that publishes financial research and analysis on stocks, bonds, and commodities. S&P is con ...
'' already include possessive apostrophes. For similar cases involving geographical names, see
below Below may refer to: *Earth *Ground (disambiguation) *Soil *Floor *Bottom (disambiguation) Bottom may refer to: Anatomy and sex * Bottom (BDSM), the partner in a BDSM who takes the passive, receiving, or obedient role, to that of the top or ...
. * Similarly, the possessives of all phrases whose wording is fixed are formed in the same way: **"
Us and Them Us and Them may refer to: *The sociological concept of in-group and out-group *'' Us & Them'', an American television series * ''Us and Them'' (Australian TV series), a 1994 Australian comedy television series * "Us and Them" (song), by Pink Floyd ...
s inclusion on the album '' The Dark Side of the Moon'' ** You Am I's latest CD **
The 69'ers The 69'ers were an Australian rock, pop, jug and country band formed in 1969. They released two albums, ''The 69er's Album'' (1971) and ''Francis Butlers 69er's Live'' (1974). The group toured Australia and appeared at the Sunbury Pop Festival i ...
' drummer, Tom Callaghan (only the second apostrophe is possessive) ** ''
His 'n' Hers ''His 'n' Hers'' is the fourth studio album by English rock band Pulp, released on 18 April 1994 by Island Records. It proved to be the band's breakthrough album, reaching number nine on the UK Albums Chart, and was nominated for the 1994 Mercu ...
'''s first track is called "Joyriders". ** Was ''
She She most commonly refers to: *She (pronoun), the third person singular, feminine, nominative case pronoun in modern English. She or S.H.E. may also refer to: Literature and films *'' She: A History of Adventure'', an 1887 novel by H. Rider Hagga ...
'' success greater, or '' King Solomon's Mines''? :For complications with foreign phrases and titles, see
below Below may refer to: *Earth *Ground (disambiguation) *Soil *Floor *Bottom (disambiguation) Bottom may refer to: Anatomy and sex * Bottom (BDSM), the partner in a BDSM who takes the passive, receiving, or obedient role, to that of the top or ...
.


= Time, money, and similar

= An apostrophe is used in time and money references in constructions such as ''one hour's respite'', ''two weeks' holiday'', ''a dollar's worth'', ''five pounds' worth'', ''one mile's drive from here''. This is like an ordinary possessive use. For example, ''one hour's respite'' means ''a respite of one hour'' (exactly as ''the cat's whiskers'' means ''the whiskers of the cat'').


= Possessive pronouns and adjectives

= No apostrophe is used in the following possessive pronouns and adjectives: ''yours'', ''his'', ''hers'', ''ours'', ''its'', ''theirs'', and ''whose''. All other possessive pronouns do end with an apostrophe and an ''s''. In singular forms, the apostrophe comes first, e.g. ''one's''; ''everyone's''; ''somebody's'', ''nobody else's'', etc., while the apostrophe follows the ''s'' in plural forms as with nouns: ''the others' complaints''. The possessive of ''it'' was originally ''it's'', and it's a common mistake today to write ''its'' this way, though the apostrophe was dropped by the early 1800s and authorities are now unanimous that ''it's'' can be only a contraction of ''it is'' or ''it has''.


= Importance for disambiguation

= Each of these four phrases (listed in Steven Pinker's '' The Language Instinct'') has a distinct meaning: *My sister's friend's investment ''(the investment belonging to a friend of my sister)'' *My sister's friends' investment ''(the investment belonging to several friends of my sister)'' *My sisters' friend's investment ''(the investment belonging to a friend of several of my sisters)'' *My sisters' friends' investment ''(the investment belonging to several friends of several of my sisters)'' Kingsley Amis, on being challenged to produce a sentence whose meaning depended on a possessive apostrophe, came up with: *Those things over there are my husband's. (''Those things over there belong to my husband''.) *Those things over there are my husbands'. (''Those things over there belong to several husbands of mine''.) *Those things over there are my husbands. (''I'm married to those men over there.'')


Singular nouns ending with an "s" or "z" sound

Some singular nouns are pronounced with a
sibilant Sibilants are fricative consonants of higher amplitude and pitch, made by directing a stream of air with the tongue towards the teeth. Examples of sibilants are the consonants at the beginning of the English words ''sip'', ''zip'', ''ship'', and ...
sound at the end: /s/ or /z/. The spelling of these ends with ''-s'', ''-se'', ''-z'', ''-ze'', ''-ce'', ''-x'', or ''-xe''. Many respected authorities recommend that practically all singular nouns, including those ending with a sibilant sound, have possessive forms with an extra ''s'' after the apostrophe so that the spelling reflects the underlying pronunciation. Examples include Oxford University Press, the
Modern Language Association The Modern Language Association of America, often referred to as the Modern Language Association (MLA), is widely considered the principal professional association in the United States for scholars of language and literature. The MLA aims to "st ...
, the BBC and '' The Economist''. Such authorities demand possessive singulars like these: ''
Bridget Jones's Diary ''Bridget Jones's Diary'' is a 2001 romantic comedy film directed by Sharon Maguire and written by Richard Curtis, Andrew Davies (writer), Andrew Davies, and Helen Fielding. A co-production of the United Kingdom, United States and France, it is ...
''; ''Tony Adams's friend; my boss's job; the US's economy''. Rules that modify or extend the standard principle have included the following: *If the singular possessive is difficult or awkward to pronounce with an added sibilant, do not add an extra ''s''; these exceptions are supported by '' The Guardian'', '' Yahoo! Style Guide'', and '' The American Heritage Book of English Usage''. Such sources permit possessive singulars like these: ''Socrates' later suggestion''; or ''Achilles' heel'' if that is how the pronunciation is intended. The Economist style guide omits the apostrophe entirely in this case. *Some style guides advise that Classical, biblical, and similar names ending in a sibilant, especially if they are polysyllabic, should not take an added ''s'' in the possessive; among sources giving exceptions of this kind are '' The Times'' and ''The Elements of Style'', which make general stipulations, and Vanderbilt University, which mentions only ''
Moses Moses hbo, מֹשֶׁה, Mōše; also known as Moshe or Moshe Rabbeinu (Mishnaic Hebrew: מֹשֶׁה רַבֵּינוּ, ); syr, ܡܘܫܐ, Mūše; ar, موسى, Mūsā; grc, Mωϋσῆς, Mōÿsēs () is considered the most important pro ...
'' and ''Jesus''. As a particular case, ''Jesus''' – referred to as "an accepted liturgical archaism" in '' Hart's Rules'' – is commonly written instead of ''Jesus's''. * There are also some entrenched uses, for example '' St James's Park'' (in London) (but the Newcastle stadium displays its name spelled '' St James' Park''), ''
St James's Palace St James's Palace is the most senior royal palace in London, the capital of the United Kingdom. The palace gives its name to the Court of St James's, which is the monarch's royal court, and is located in the City of Westminster in London. Altho ...
'' (and ''the
Court of St James's The Court of St James's is the royal court for the Sovereign of the United Kingdom. All ambassadors to the United Kingdom are formally received by the court. All ambassadors from the United Kingdom are formally accredited from the court – & ...
''), ''
St. James's Hospital St. James's Hospital ''Confirms spelling of name as "James's" and Irish name'' ( ga, Ospidéal Naomh Séamas) is a teaching hospital in Dublin, Ireland. Its academic partner is Trinity College Dublin. It is managed by Dublin Midlands Hospital G ...
'' (in Dublin), ''King James's School'', Knaresborough and ''King James's School'', Almondbury (but there is no genitive at all in ''St James Park'' (Exeter) or ''St. James Park'' (Bronx); nor is there one in ''the
King James Bible The King James Version (KJV), also the King James Bible (KJB) and the Authorized Version, is an Bible translations into English, English translation of the Christian Bible for the Church of England, which was commissioned in 1604 and publis ...
'' since, like the '' Hebrew Bible,'' it is a description not a possessive). Although less common, some contemporary writers still follow the older practice of omitting the second ''s'' in all cases ending with a sibilant, but usually not when written ''-x'' or ''-xe''. Some contemporary authorities such as the Associated Press Stylebook recommend or allow the practice of omitting the additional "s" in all words ending with an "s", but not in words ending with other sibilants ("z" and "x"). The 15th edition of '' The Chicago Manual of Style'' had recommended the traditional practice, which included providing for several exceptions to accommodate spoken usage such as the omission of the extra ''s'' after a polysyllabic word ending in a sibilant, but the 16th edition no longer recommends omitting the possessive "s". Similar examples of notable names ending in an ''s'' that are often given a possessive apostrophe with no additional ''s'' include ''Dickens'' and ''Williams''. There is often a policy of leaving off the additional ''s'' on any such name, but this can prove problematic when specific names are contradictory (for example, '' St James' Park'' in Newcastle
he football ground He or HE may refer to: Language * He (pronoun), an English pronoun * He (kana), the romanization of the Japanese kana へ * He (letter), the fifth letter of many Semitic alphabets * He (Cyrillic), a letter of the Cyrillic script called ''He'' ...
and the area of ''
St. James's Park St James's Park is a park in the City of Westminster, central London. It is at the southernmost tip of the St James's area, which was named after a leper hospital dedicated to St James the Less. It is the most easterly of a near-continuous ch ...
'' in London). However, debate has been going on regarding the punctuation of St James' Park (Newcastle) for some time, unlike St James's Park (London) which is the less contentious version. For more details on practice with geographic names, see the relevant section
below Below may refer to: *Earth *Ground (disambiguation) *Soil *Floor *Bottom (disambiguation) Bottom may refer to: Anatomy and sex * Bottom (BDSM), the partner in a BDSM who takes the passive, receiving, or obedient role, to that of the top or ...
. Some writers like to reflect standard spoken practice in cases like these with ''sake'': ''for convenience' sake'', ''for goodness' sake'', ''for appearance' sake'', ''for compromise' sake'', etc. This punctuation is preferred in major style guides. Others prefer to add '''s'': ''for convenience's sake''. Still others prefer to omit the apostrophe when there is an ''s'' sound before ''sake'': ''for morality's sake'', but ''for convenience sake''.


Nouns ending with silent ''s'', ''x'', or ''z''

The English possessive of French nouns ending in a silent ''s'', ''x'', or ''z'' is addressed by various style guides. Certainly a sibilant is pronounced in examples like ''Descartes's'' and ''Dumas's''; the question addressed here is whether ''s'' needs to be added. Similar examples with ''x'' or ''z'': s main ingredient is truffle''; ''His 's loss went unnoticed''; ''"Verreaux('s) eagle, a large, predominantly black eagle, ''Aquila verreauxi'',..."'' ( OED, entry for "Verreaux", with silent ''x''; see
Verreaux's eagle Verreaux's eagle (''Aquila verreauxii'') is a large, mostly African, bird of prey. It is also called the black eagle, especially in southern Africa, not to be confused with the Indian black eagle (''Ictinaetus malayensis''), which lives far to t ...
); in each of these some writers might omit the added ''s''. The same principles and residual uncertainties apply with "naturalised" English words, like ''Illinois'' and ''Arkansas''. For possessive ''plurals'' of words ending in a silent ''x'', ''z'' or ''s'', the few authorities that address the issue at all typically call for an added ''s'' and suggest that the apostrophe precede the ''s'': ''The Loucheux's homeland is in the Yukon''; ''Compare the two Dumas's literary achievements''. The possessive of a cited French title with a silent plural ending is uncertain: "'s long and complicated publication history", but "' singular effect was 'exotic primitive' ..." (with nearby sibilants ''-ce-'' in ''noces'' and ''s-'' in ''singular''). Compare treatment of other titles, above. Guides typically seek a principle that will yield uniformity, even for foreign words that fit awkwardly with standard English punctuation.


Possessives in geographic names

Place names in the United States do not use the possessive apostrophe on federal maps and signs. The
United States Board on Geographic Names The United States Board on Geographic Names (BGN) is a federal body operating under the United States Secretary of the Interior. The purpose of the board is to establish and maintain uniform usage of geographic names throughout the federal governm ...
, which has responsibility for formal naming of municipalities and geographic features, has deprecated the use of possessive apostrophes since 1890 so as not to show ownership of the place. Only five names of natural features in the US are officially spelled with a genitive apostrophe:
Martha's Vineyard Martha's Vineyard, often simply called the Vineyard, is an island in the Northeastern United States, located south of Cape Cod in Dukes County, Massachusetts, known for being a popular, affluent summer colony. Martha's Vineyard includes the s ...
; Ike's Point, New Jersey; John E's Pond, Rhode Island; Carlos Elmer's Joshua View, Arizona; and Clark's Mountain, Oregon.US Board on Geographic Names: FAQs
Geonames.usgs.gov. Retrieved on 7 April 2013.
Some municipalities, originally incorporated using the apostrophe, have dropped it in accordance with this policy;
Taylors Falls Taylors Falls is a city in Chisago County, Minnesota, United States, located at the junction of U.S. Highway 8 and Minnesota State Highway 95. The population was 1,055 at the 2020 census. History Taylors Falls was platted in 1850 or 1851, and ...
in Minnesota, for example, was originally incorporated as "Taylor's Falls". On the state level, the federal policy is not always followed: Vermont's official state website has a page on
Camel's Hump State Forest Camel's Hump State Forest (alternatively Camels Hump State Forest) covers a total of in two blocks in the U.S. state of Vermont. Stevens Block comprises in Buels Gore, Fayston, and Starksboro in Chittenden, Washington, and Addison counties, ...
. Australia's Intergovernmental Committee on Surveying and Mapping also has a no-apostrophe policy, a practice it says goes back to the 1900s and which is generally followed around the country. On the other hand, the United Kingdom has
Bishop's Stortford Bishop's Stortford is a historic market town in Hertfordshire, England, just west of the M11 motorway on the county boundary with Essex, north-east of central London, and by rail from Liverpool Street station. Stortford had an estimated po ...
, Bishop's Castle and
King's Lynn King's Lynn, known until 1537 as Bishop's Lynn and colloquially as Lynn, is a port and market town in the borough of King's Lynn and West Norfolk in the county of Norfolk, England. It is located north of London, north-east of Peterborough, no ...
(among many others) but
St Albans St Albans () is a cathedral city in Hertfordshire, England, east of Hemel Hempstead and west of Hatfield, Hertfordshire, Hatfield, north-west of London, south-west of Welwyn Garden City and south-east of Luton. St Albans was the first major ...
,
St Andrews St Andrews ( la, S. Andrea(s); sco, Saunt Aundraes; gd, Cill Rìmhinn) is a town on the east coast of Fife in Scotland, southeast of Dundee and northeast of Edinburgh. St Andrews had a recorded population of 16,800 , making it Fife's fou ...
and St Helens. London Underground's Piccadilly line has the adjacent stations of Earl's Court in Earl's Court and
Barons Court Barons Court is a London Underground station in West Kensington in the London Borough of Hammersmith and Fulham, Greater London. This station serves the District line and the Piccadilly line. Barons Court is between West Kensington and Hammers ...
. These names were mainly fixed in form many years before grammatical rules were fully standardised. While
Newcastle United Newcastle United Football Club is an English professional football club, based in Newcastle upon Tyne, that plays in the Premier League – the top flight of English football. The club was founded in 1892 by the merger of Newcastle East End ...
play
football Football is a family of team sports that involve, to varying degrees, kicking a ball to score a goal. Unqualified, the word ''football'' normally means the form of football that is the most popular where the word is used. Sports commonly c ...
at a stadium called St James' Park, and Exeter City at St James Park, London has a St James's Park (this whole area of London is named after the parish of St James's Church, Piccadilly). Modern usage has been influenced by considerations of technological convenience including the economy of typewriter ribbons and films, and similar computer character "disallowance" which tend to ignore past standards. Practice in the United Kingdom and Canada is not so uniform.


Possessives in names of organizations

Sometimes the apostrophe is omitted in the names of clubs, societies, and other organizations, even though the standard principles seem to require it: '' Country Women's Association'', but ''International Aviation Association''; '' Magistrates' Court of Victoria'', but '' Federated Ship Painters and Dockers Union''. Usage is variable and inconsistent. Style guides typically advise consulting an official source for the standard form of the name (as one would do if uncertain about other aspects of the spelling of the name); some tend towards greater prescriptiveness, for or against such an apostrophe. As the case of ' shows, it is not possible to analyze these forms simply as non-possessive plurals, since ''women'' is the only correct plural form of ''woman''.


Possessives in business names

Where a business name is based on a family name it should in theory take an apostrophe, but many leave it out (contrast '' Sainsbury's'' with ''
Harrods Harrods Limited is a department store located on Brompton Road in Knightsbridge, London, England. It is currently owned by the state of Qatar via its sovereign wealth fund, the Qatar Investment Authority. The Harrods brand also applies to other ...
''). In recent times there has been an increasing tendency to drop the apostrophe. Names based on a first name are more likely to take an apostrophe, but this is not always the case. Some business names may inadvertently spell a different name if the name with an ''s'' at the end is also a name, such as Parson. A small activist group called the
Apostrophe Protection Society The Apostrophe Protection Society is a UK society with "the specific aim of preserving the correct use of this currently much abused punctuation mark". It was founded in 2001 by John Richards, a retired sub-editor, in response to his observation ...
has campaigned for large retailers such as Harrods, Currys, and Selfridges to reinstate their missing punctuation. A spokesperson for Barclays PLC stated, "It has just disappeared over the years. Barclays is no longer associated with the family name."Harrods told to put its apostrophe back
Times Online (21 August 2006).
Further confusion can be caused by businesses whose names look as if they should be pronounced differently without an apostrophe, such as Paulos Circus, and other companies that leave the apostrophe out of their logos but include it in written text, such as
Cadwalader's Cadwaladers is a family run chain of cafes that originated in Gwynedd, Wales. The original ice cream parlour was introduced by husband and wife David and Hannah Cadwalader in 1927 in Criccieth and was originally run as a general store. The busine ...
.


Apostrophe showing omission

An apostrophe is commonly used to indicate omitted characters, normally letters: * It is used in contractions, such as ''can't'' from ''cannot'', ''it's'' from ''it is'' or ''it has'', and ''I'll'' from ''I will'' or ''I shall''. * It is used in
abbreviation An abbreviation (from Latin ''brevis'', meaning ''short'') is a shortened form of a word or phrase, by any method. It may consist of a group of letters or words taken from the full version of the word or phrase; for example, the word ''abbrevia ...
s, as ''gov't'' for ''government''. It may indicate omitted numbers where the spoken form is also capable of omissions, as '''70s'' for ''1970s'' representing ''seventies'' for ''nineteen-seventies''. In modern usage, apostrophes are generally omitted when letters are removed from the start of a word, particularly for a compound word. For example, it is not common to write '''bus'' (for ''omnibus''), '''phone'' (''telephone''), '''net'' (''Internet''). However, if the shortening is unusual, dialectal or archaic, the apostrophe may still be used to mark it (e.g., '''bout'' for ''about'', '''less'' for ''unless'', '''twas'' for ''it was''). Sometimes a misunderstanding of the original form of a word results in a non-standard contraction. A common example: '''til'' for ''until'', though ''till'' is in fact the original form, and ''until'' is derived from it. **The spelling ''fo'c's'le'', contracted from the nautical term ''forecastle'', is unusual for having three apostrophes. The spelling ''bo's'n's'' (from ''boatswain's''), as in ''Bo's'n's Mate'', also has three apostrophes, two showing omission and one possession. ''Fo'c's'le'' may also take a possessive ''s'' – as in ''the fo'c's'le's timbers'' – giving four apostrophes in one word. A word which formerly contained two apostrophes is ''sha'n't ''for ''shall not'', examples of which may be found in the older works of
P G Wodehouse Sir Pelham Grenville Wodehouse, ( ; 15 October 188114 February 1975) was an English author and one of the most widely read humorists of the 20th century. His creations include the feather-brained Bertie Wooster and his sagacious valet, Jeeve ...
and "Frank Richards" (
Charles Hamilton Charles Hamilton may refer to: People in Canada * Charles Hamilton (bishop) (1834–1919), Anglican bishop of Ottawa * Charles Edward Hamilton (1844–1919), Canadian politician * Sir Charles Hamilton, 2nd Baronet, of Marlborough House (1767–184 ...
), but this has been superseded by ''shan't''. **Shortenings with more apostrophes, such as ''y'all'dn't've'' ( y'all wouldn't have), are possible, particularly in Southern US dialects. *It is sometimes used when the normal form of an inflection seems awkward or unnatural; for example, ''KO'd'' rather than ''KOed'' (where ''KO'' is used as a verb meaning "to knock out"); "''a spare pince-nez'd man''" (cited in OED, entry for "pince-nez"; ''pince-nezed'' is also in citations). *An apostrophe's function as possessive or contractive can depend on the grammatical context: **We rehearsed for Friday's opening night. (''We rehearsed for the opening night on Friday.'') **We rehearsed because Friday's opening night. (''We rehearsed because Friday is opening night.'' "Friday's" here is a contraction of "Friday is.") * Eye dialects use apostrophes in creating the effect of a non-standard pronunciation. *Apostrophes to omit letters in place names are common on British road signs when space does not allow for the full name for example, Wolverhampton abbreviated as "W'hampton" and Kidderminster as "K'minster". *The
United States Board on Geographic Names The United States Board on Geographic Names (BGN) is a federal body operating under the United States Secretary of the Interior. The purpose of the board is to establish and maintain uniform usage of geographic names throughout the federal governm ...
, while discouraging possessive apostrophes in place names, allows apostrophes indicating omission, as in "Lake O' the Woods," or when normally present in a surname, as in "O'Malley Draw".


Use in forming some plurals

Following an evolution in usage in the 20th century, today "the apostrophe of plurality continues in at least five areas": abbreviations, letters of the alphabet/small words, numbers, family names, and in
non-standard Standardization or standardisation is the process of implementing and developing technical standards based on the consensus of different parties that include firms, users, interest groups, standards organizations and governments. Standardization ...
use.


Abbreviations

For abbreviations, including acronyms, the use of ''s'' without an apostrophe is now more common than its use with an apostrophe. Most modern style guides disparage the use of apostrophes in all plural abbreviations. Some references continue to condone their use, or even recommend their use in some abbreviations. For example, ''The Canadian Style'' states "Add an apostrophe and ''s'' to form the plural of abbreviations containing more than one period", so ''G.M.'s'' is preferred to ''G.M.s''. The '' Oxford Companion to the English Language'' condones ''V.I.P.'s'', ''VIP's'', and ''VIPs'' equally.


Letters of the alphabet, and small words

For single lowercase letters, pluralization with '''s'' is usual. Many guides recommend apostrophes whether the single letters are lowercase (as in " minding your p's and q's") or uppercase (as in "A's and S's"). '' The Chicago Manual of Style'' recommends the apostrophe of plurality only for lowercase letters. Sometimes, adding just ''s'' rather than s'' may leave meaning ambiguous or presentation inelegant. However, an apostrophe is not always the preferred solution. APA style requires the use of italics instead of an apostrophe: ''p''s, ''n''s, etc. In the phrase ''dos and don'ts'', most modern style guides disparage spelling the first word as ''do's''. However, there is a lack of consensus and certainly the use of an apostrophe continues, legitimately, in which "the apostrophe of plurality occurs in the first word but not the second".


Numbers and symbols

The '' Oxford Companion to the English Language'' notes that "a plural ''s'' after a set of numbers is often preceded by an apostrophe, as in ''3's and 4's''..., but many housestyles and individuals now favour ''3s and 4s''". Most style guides prefer the lack of apostrophe for groups of years (e.g. ''1980s'') and will prefer ''90s'' or '''90s'' over ''90's'' or '''90's''. While many guides discourage using an apostrophe in all numbers/dates, many other guides ''encourage'' using an apostrophe for numbers or are divided on the issue; for example, the ''Australian Government Style Manual'' recommends "Binary code uses 0’s and 1’s" but recommends "the 2020s". Still other guides take a laissez-faire approach. For example, the University of Sussex's online guide notes regional variation in the use of apostrophes in dates,Guide to Punctuation
Larry Trask, University of Sussex: "American usage, however, does put an apostrophe here: (A) This research was carried out in 1970's."
and slightly prefers ''1's and 7's'' over ''1s and 7s'' but condones both. The apostrophe is very often used in plurals of symbols, for example "that page has too many &'s and #'s on it". Some style guides state that the apostrophe is unnecessary since there is no ambiguity but that some editors and teachers prefer this usage. The addition of an ''s'' without an apostrophe may make the text difficult to read. For many numbers and symbols, a useful alternative is to write out the numbers as words (e.g. ''thousands'' instead of ''1000's'' or ''1000s'', and ''ampersands'' instead of ''&s'' or ''&'s'').


Family names

The vast majority of English references published from the late 20th century onwards disparage the use of apostrophes in family-name plurals, for example identifying ''Joneses'' as correct and ''Jones's'' as incorrect. As an exception, the '' Oxford Companion to the English Language'' (2018) reports that, in addition to ''Joneses'' etc., standard apostrophe usage does continue "in family names, especially if they end in ''-s'', as in '' keeping up with the Jones's''".


Nonstandard use

See , below.


Use in non-English names

Names that are not strictly native to English sometimes have an apostrophe substituted to represent other characters (see also As a mark of elision, below). *Anglicised versions of Irish surnames typically contain an apostrophe after an ''O'' (in place of Ó), for example "Dara O'Brian" for . *Some
Scottish Scottish usually refers to something of, from, or related to Scotland, including: *Scottish Gaelic, a Celtic Goidelic language of the Indo-European language family native to Scotland *Scottish English *Scottish national identity, the Scottish ide ...
and Irish surnames use an apostrophe after an ''M'', for example ''M'Gregor''. The apostrophe here may be seen as marking a contraction where the prefix ''Mc'' or '' Mac'' would normally appear. However, it may also arise from a misinterpretation of printers' use of an inverted comma, (''turned comma'' or "6-quote"), as a substitute for superscript ''c'' when printing with hand-set metal type. Compare: M'Lean, McLean, M‘Lean.


Use in transliteration

In transliterated foreign words, an apostrophe may be used to separate letters or syllables that otherwise would likely be interpreted incorrectly. For example: *in the Arabic word , a transliteration of , the syllables are as in ''mus·haf'', not ''mu·shaf'' *in the Japanese name ''
Shin'ichi Shin'ichi or Shinichi (しんいち, シンイチ) is a masculine Japanese given name. ''Shin'' and ''ichi'' are separated and it is pronounced . Possible writings Different kanji that are pronounced are combined with the kanji for " to give dif ...
'', the apostrophe shows that the pronunciation is ''shi·n·i·chi'' ( hiragana ), where the letters ''n'' () and ''i'' () are separate
morae A mora (plural ''morae'' or ''moras''; often symbolized μ) is a basic timing unit in the phonology of some spoken languages, equal to or shorter than a syllable. For example, a short syllable such as ''ba'' consists of one mora (''monomoraic'') ...
, rather than ''shi·ni·chi'' (). *in the Chinese Pinyin romanization, the apostrophe (, , géyīn fúhào, 'syllable-dividing mark') is used before a syllable starting with a vowel (''a'', ''o'', or ''e'') in a multiple-syllable word when the syllable does not start the word (which is most commonly realized as ), unless the syllable immediately follows a hyphen or other dash. This is done to remove ambiguity that could arise, as in '' Xi'an'', which consists of the two syllables ' ("") ' (""), compared to such words as ' (""). (This ambiguity does not occur when tone marks are used: The two tone marks in ' unambiguously show that the word consists of two syllables. However, even with tone marks, the city is usually spelled with an apostrophe as '.) Furthermore, an apostrophe may be used to indicate a
glottal stop The glottal plosive or stop is a type of consonantal sound used in many spoken languages, produced by obstructing airflow in the vocal tract or, more precisely, the glottis. The symbol in the International Phonetic Alphabet that represents thi ...
in transliterations. For example: *in the Arabic word , a common transliteration of (part of) ''al-qur'ān'', the apostrophe corresponds to the diacritic Maddah over the , one of the letters in the Arabic alphabet Rather than ( modifier letter left half ring), the apostrophe is sometimes used to indicate a voiced pharyngeal fricative as it sounds and looks like the glottal stop to most English speakers. For example: *in the Arabic word for , the apostrophe corresponds to the Arabic letter . Finally, in "scientific" transliteration of Cyrillic script, the apostrophe usually represents the soft sign , though in "ordinary" transliteration it is usually omitted. For example, * "The Ob River (Russian: Обь), also Ob', is a major river in western Siberia,...".


Non-standard English use

Failure to observe standard use of the apostrophe is widespread and frequently criticised as incorrect, often generating heated debate. The British founder of the
Apostrophe Protection Society The Apostrophe Protection Society is a UK society with "the specific aim of preserving the correct use of this currently much abused punctuation mark". It was founded in 2001 by John Richards, a retired sub-editor, in response to his observation ...
earned a 2001 Ig Nobel prize for "efforts to protect, promote and defend the differences between plural and possessive". A 2004 report by British examination board OCR stated that "the inaccurate use of the apostrophe is so widespread as to be almost universal". A 2008 survey found that nearly half of the UK adults polled were unable to use the apostrophe correctly.Half of Britons struggle with the apostrophe
''The Daily Telegraph'', 11 November 2008


Superfluous apostrophes ("greengrocers' apostrophes")

Apostrophes used in a non-standard manner to form noun plurals are known as ''greengrocers' apostrophes'' or ''grocers' apostrophes'', often written as ''greengrocer's apostrophes'' or ''grocer's apostrophes''. They are sometimes humorously called ''greengrocers apostrophe's'', ''rogue apostrophes'', or ''idiot's apostrophes'' (a literal translation of the
German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...
word ''Deppenapostroph'', which criticises the misapplication of apostrophes in Denglisch). The practice, once common and acceptable (see Historical development), comes from the identical sound of the plural and
possessive A possessive or ktetic form (abbreviated or ; from la, possessivus; grc, κτητικός, translit=ktētikós) is a word or grammatical construction used to indicate a relationship of possession in a broad sense. This can include strict owne ...
forms of most English nouns. It is often criticised as a form of
hypercorrection In sociolinguistics, hypercorrection is non-standard use of language that results from the over-application of a perceived rule of language-usage prescription. A speaker or writer who produces a hypercorrection generally believes through a mi ...
coming from a widespread ignorance of the proper use of the apostrophe or of punctuation in general. Lynne Truss, author of '' Eats, Shoots & Leaves'', points out that before the 19th century it was standard orthography to use the apostrophe to form a plural of a foreign-sounding word that ended in a vowel (e. g., , , , , , ) to clarify pronunciation. Truss says this usage is no longer considered proper in formal writing. The term is believed to have been coined in the middle of the 20th century by a teacher of languages working in Liverpool, at a time when such mistakes were common in the handwritten signs and advertisements of
greengrocer A greengrocer is a person who owns or operates a shop selling primarily fruit and vegetables. The term may also be used to refer to a shop selling primarily produce. It is used predominantly in the United Kingdom and Australia. In the United ...
s (e. g., '' 1/- a pound, 1/6 d a pound''). Some have argued that its use in mass communication by employees of well-known companies has led to the less literate assuming it to be standard and adopting the habit themselves. The same use of apostrophe before noun plural -s forms is sometimes made by non-native speakers of English. For example, in Dutch, the apostrophe is inserted before the ''s'' when pluralising most words ending in a vowel or ''y'' for example, (English ''babies'') and (English ''radios''). This often produces so-called " Dunglish" errors when carried over into English. Hyperforeignism has been formalised in some pseudo-
anglicism An anglicism is a word or construction borrowed from English by another language. With the rise in Anglophone media and the global spread of British and US cultures in the 20th and 21st centuries, many English terms have become widespread in o ...
s. For example, the French word (from English ''pin'') is used (with the apostrophe in both singular and plural) for
collectible A collectable (collectible or collector's item) is any object regarded as being of value or interest to a collector. Collectable items are not necessarily monetarily valuable or uncommon. There are numerous types of collectables and terms t ...
lapel pins. Similarly, there is an Andorran football club called (after such British clubs as Rangers F.C.) and a Japanese dance group called Super Monkey's.


Omission

In the UK there is a tendency to drop apostrophes in many commonly used names such as St Annes, St Johns Lane, and so on. UK supermarket chain Tesco omits the mark where standard practice would require it. Signs in Tesco advertise (among other items) . In his book '' Troublesome Words'', author Bill Bryson lambasts Tesco for this, stating that "the mistake is inexcusable, and those who make it are linguistic Neanderthals." The
United States Board on Geographic Names The United States Board on Geographic Names (BGN) is a federal body operating under the United States Secretary of the Interior. The purpose of the board is to establish and maintain uniform usage of geographic names throughout the federal governm ...
discourages the use of possessive apostrophes in geographic names (see above), though state agencies do not always conform; Vermont's official state website provides information concerning
Camel's Hump State Forest Camel's Hump State Forest (alternatively Camels Hump State Forest) covers a total of in two blocks in the U.S. state of Vermont. Stevens Block comprises in Buels Gore, Fayston, and Starksboro in Chittenden, Washington, and Addison counties, ...
. The Geographical Names Board of New South Wales, Australia, excludes possessive apostrophes from place names, along with other punctuation.


Particular cases

George Bernard Shaw, a proponent of English spelling reform on phonetic principles, argued that the apostrophe was mostly redundant. He did not use it for spelling ''cant'', ''hes'', etc., in many of his writings. He did, however, allow ''I'm'' and ''it's''. Hubert Selby Jr. used a slash instead of an apostrophe mark for contractions and did not use an apostrophe at all for possessives. Lewis Carroll made greater use of apostrophes, and frequently used ''sha'n't'', with an apostrophe in place of the elided ''ll'' as well as the more usual ''o''. These authors' usages have not become widespread. The British pop group Hear'Say famously made unconventional use of an apostrophe in its name. Truss comments that "the naming of Hear'Say in 2001 was ..a significant milestone on the road to punctuation anarchy".


Criticism

Over the years, the use of apostrophes has been criticised. George Bernard Shaw called them "uncouth bacilli", referring to the apostrophe-like shape of many bacteria. The author and language commentator
Anu Garg Anu Garg (born April 5, 1967) is an American author and speaker. He is also the founder of Wordsmith.org, an online community comprising word lovers from an estimated 195 countries. His books explore the joy of words. He has authored several book ...
has called for the abolition of the apostrophe, stating "Some day this world would be free of metastatic cancers, narcissistic con men, and the apostrophe." In his book ''American Speech'', linguist Steven Byington stated of the apostrophe that "the language would be none the worse for its abolition". Adrian Room, in his '' English Journal'' article "Axing the Apostrophe", argued that apostrophes are unnecessary, and context will resolve any ambiguity. In a letter to the ''English Journal'', Peter Brodie stated that apostrophes are "largely decorative ... ndrarely clarify meaning".
John C. Wells John Christopher Wells (born 11 March 1939) is a British phonetician and Esperantist. Wells is a professor emeritus at University College London, where until his retirement in 2006 he held the departmental chair in phonetics. Career Wells ea ...
, emeritus professor of phonetics at University College London, says the apostrophe is "a waste of time". The Apostrophe Protection Society, founded by retired journalist John Richards in 2001, was brought to a full stop in 2019, Richards (then aged 96) accepting that "the ignorance and laziness present in modern times have won!".


Non-English use


As a mark of elision

In many languages, especially European languages, the apostrophe is used to indicate the
elision In linguistics, an elision or deletion is the omission of one or more sounds (such as a vowel, a consonant, or a whole syllable) in a word or phrase. However, these terms are also used to refer more narrowly to cases where two words are run toget ...
of one or more sounds, as in English. *In
Albanian Albanian may refer to: *Pertaining to Albania in Southeast Europe; in particular: **Albanians, an ethnic group native to the Balkans **Albanian language **Albanian culture **Demographics of Albania, includes other ethnic groups within the country ...
the apostrophe is used to show that a vowel has been omitted from words, especially in different forms of verbs and in some forms of personal pronoun. For example, : them (from : them), (from ). It is used too in some of the forms of possessive pronouns, for example: (from ). *In Afrikaans, as in Dutch, the apostrophe is used to show that letters have been omitted from words. The most common use is in the indefinite article , which is a contraction of ''een'' meaning 'one' (the number). As the initial ''e'' is omitted and cannot be capitalised, the second word in a sentence that begins with is capitalised instead. For example: , 'A tree is green'. In addition, the apostrophe is used for plurals and diminutives where the root ends with long vowels, e.g. , , , , etc. * In
Catalan Catalan may refer to: Catalonia From, or related to Catalonia: * Catalan language, a Romance language * Catalans, an ethnic group formed by the people from, or with origins in, Northern or southern Catalonia Places * 13178 Catalan, asteroid #1 ...
,
French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...
, Italian, Ligurian, and
Occitan Occitan may refer to: * Something of, from, or related to the Occitania territory in parts of France, Italy, Monaco and Spain. * Something of, from, or related to the Occitania administrative region of France. * Occitan language Occitan (; o ...
word sequences such as , (often shortened to ''maître d'', when used in English), and the final vowel in the first word (''de'' 'of', ''le'' 'the', etc.) is elided because the word that follows it starts with a vowel or a
mute h Muteness is a speech disorder in which a person lacks the ability to speak. Mute or the Mute may also refer to: Arts and entertainment Film and television * ''Mute'' (2005 film), a short film by Melissa Joan Hart * ''Mute'' (2018 film), a scien ...
. Similarly, French has instead of ('that he'), instead of ('it is or it's'), and so on. Catalan, French, Italian, and Occitan surnames sometimes contain apostrophes of elision, e.g. , *In
Danish Danish may refer to: * Something of, from, or related to the country of Denmark People * A national or citizen of Denmark, also called a "Dane," see Demographics of Denmark * Culture of Denmark * Danish people or Danes, people with a Danish ance ...
, apostrophes are sometimes seen on commercial materials. One might commonly see ('Take me with ou) next to a stand with advertisement leaflets; that would be written in standard orthography. As in German, the apostrophe must not be used to indicate the possessive, except when there is already an ''s'', ''x'' or ''z'' present in the base form, as in ('the Book of Esajas'). *In Dutch, as in Afrikaans, the apostrophe is used to indicate omitted characters. For example, the indefinite article can be shortened to , and the definite article shortened to . When this happens in the first word of a sentence, the ''second'' word of the sentence is capitalised. In general, this way of using the apostrophe is considered non-standard, except as '' genitivus temporalis'' in , , , (for , 'at morning, at afternoon, at evening, at night') and in some frozen place names such as ''
's-Hertogenbosch s-Hertogenbosch (), colloquially known as Den Bosch (), is a city and municipality in the Netherlands with a population of 157,486. It is the capital of the province of North Brabant and its fourth largest by population. The city is south of th ...
'' (
possessive A possessive or ktetic form (abbreviated or ; from la, possessivus; grc, κτητικός, translit=ktētikós) is a word or grammatical construction used to indicate a relationship of possession in a broad sense. This can include strict owne ...
, lit. "The Duke's forest"), ''‌'s-Gravenhage'' (traditional name of The Hague, lit. "The Count's hedge"), ''‌'s-Gravenbrakel'' ( Braine-le-Comte, in Belgium), ''‌'s-Hertogenrade'' ( Herzogenrath, in Germany), etc. In addition, the apostrophe is used for plurals where the singulars end with long vowels, e.g. , ; and for the genitive of proper names ending with these vowels, e.g. , . These are in fact elided vowels; use of the apostrophe prevents spellings like and . However, most
diminutive A diminutive is a root word that has been modified to convey a slighter degree of its root meaning, either to convey the smallness of the object or quality named, or to convey a sense of intimacy or endearment. A (abbreviated ) is a word-formati ...
s do not use an apostrophe where the plural forms would; producing spellings such as and . *In
Esperanto Esperanto ( or ) is the world's most widely spoken constructed international auxiliary language. Created by the Warsaw-based ophthalmologist L. L. Zamenhof in 1887, it was intended to be a universal second language for international communi ...
, the limits the elision mark to the definite article (from ) and singular nominative nouns ( from , 'heart'). This is mostly confined to poetry and songs. Idiomatic phrases such as (from , 'thanks to') and (from 'of the') are nonetheless frequent. In-word elision is usually marked with a hyphen, as in (from , 'Dr'). Some early guides used and advocated the use of apostrophes between word parts, to aid recognition of such compound words as , 'guitarist'; but in the latter case, modern usage is to use either a hyphen or a middle dot when disambiguation is necessary, as in ''ĉas-hundo'' or ''ĉas·hundo'', "a hunting dog", not to be mispronounced as ''ĉa.ŝun.do''. * In Finnish, the apostrophe is used in inflected forms of words whose basic form has a "k" between similar vowels, to show that the "k" has elided in the inflected form: for example the word ' ("raw") becomes ' in the plural. The apostrophe shows that the vowels on either side of it belong to different syllables. * French feminine singular possessive adjectives do not undergo elision, but change to the masculine form instead: ' preceding ' becomes ' ('my church'). ** Quebec's Bill 101, which dictates the use of French in the province, prohibits the use of apostrophes in proper names in which it would not be used in proper French (thus the international donut chain Tim Hortons, originally spelled with the possessive apostrophe as Tim Horton's, was required to drop the apostrophe in Quebec to comply with Bill 101). * Galician language standard admits the use of apostrophe () for contractions that normally do not use (e.g.: de + a= da) it but when the second element is a proper noun, mostly a title: (the hero of the Odyssey). They are also used to reproduce oral ellisions and, as stated below, to join (or split) commercial names of popular public establishments, namely bars and in masculine (, The pot). * In
Ganda Ganda may refer to: Places * Ganda, Angola * Ganda, Tibet, China * Ganda, the ancient Latin name of Ghent, a city in Belgium Other uses * Baganda or Ganda, a people of Uganda ** Luganda or Ganda language, a language of Uganda * ''Ganda'' and "Ga ...
, when a word ending with a vowel is followed by a word beginning with a vowel, the final vowel of the first word is elided and the initial vowel of the second word lengthened in compensation. When the first word is a monosyllable, this elision is represented in the orthography with an apostrophe: in ' 'the father of the children', ' ('of') becomes ''w''; in ' ('who is it?'), ' ('who') becomes ''y''. But the final vowel of a
polysyllable A syllable is a unit of organization for a sequence of speech sounds typically made up of a syllable nucleus (most often a vowel) with optional initial and final margins (typically, consonants). Syllables are often considered the phonological "bu ...
is always written, even if it is elided in speech: ' ('this man'), not *', because ' ('man') is a polysyllable. * In German an apostrophe is used almost exclusively to indicate omitted letters. It must not be used for plurals or most of the possessive forms. The only exceptions are the possessive cases of names ending in an "s"-sound as in ', or "to prevent ambiguities" in all other possessive cases of names, as in ' (referring to the female name ', not the male name '). The English/Saxon style of using an apostrophe for possession was introduced after the spelling reform, but is strongly disagreed on by native speakers, and discouraged. Although possessive usage (beyond the exceptions) is widespread, it is often deemed incorrect. The German equivalent of "greengrocers' apostrophes" would be the derogatory ' ('idiot's apostrophe'; ). * In modern printings of Ancient Greek, apostrophes are also used to mark elision. Some Ancient Greek words that end in short vowels elide when the next word starts with a vowel. For example, many Ancient Greek authors would write (') for (') and (') for ('). Such modern usage should be carefully distinguished from polytonic Greek's native
rough Rough may refer to: * Roughness (disambiguation) * Rough (golf), the area outside the fairway on a golf course Geography * Rough (facility), former gas field now gas storage facility, off the Yorkshire coast of England People * Alan Rough (born 1 ...
and smooth breathing marks, which usually appear as a form of rounded apostrophe. * In Hebrew, the '' geresh'' (׳), often typed as an apostrophe, is used to denote initialisms. A double ''geresh'' (״), known by the dual form
gershayim Gershayim (Hebrew: , without niqqud ), also occasionally grashayim. (), is two distinct typographical marks in the Hebrew language. The name literally means "double geresh". Punctuation mark Gershayim most commonly refers to the punctuation mark ...
, is used to denote acronyms; it is inserted before (i.e., to the right of) the last letter of the acronym. Examples: (abbreviation for , 'professor', ' professor'); (', '
P.S. PostScript (PS) is a page description language in the electronic publishing and desktop publishing realm. It is a dynamically typed, concatenative programming language. It was created at Adobe Systems by John Warnock, Charles Geschke, Doug B ...
'). The ''geresh'' is also used to indicate the elision of a sound; however, this use is much less frequent, and confined to the purpose of imitating a natural, informal utterance, for example: (' – short for , ', 'I am/do not'). *In Irish, the past tense of verbs beginning with a vowel, or with ''fh'' followed by a vowel, begins with ''d' ''(elision of ''do''), for example becomes ('opened') and becomes ('returned'). The copula is often elided to '''s'', and ('to'), ('my') etc. are elided before ''f'' and vowels. *In Italian it is used for elision with pronouns, as in instead of ; with articles, as in instead of ; and for truncation, as in instead of . Stylistically, sentences beginning with È (as in ) are often rendered as E' in newspapers, to minimise
leading In typography, leading ( ) is the space between adjacent lines of type; the exact definition varies. In hand typesetting, leading is the thin strips of lead (or aluminium) that were inserted between lines of type in the composing stick to incre ...
(inter-line spacing). *In modern Norwegian, the apostrophe marks that a word has been contracted, such as ' from ' ('have/has not'). Unlike English and French, such elisions are not accepted as part of standard orthography but are used to create a more "oral style" in writing. The apostrophe is also used to mark the genitive for words that end in an -s sound: words ending in -s, -x, and -z, some speakers also including words ending in the sound . As Norwegian doesn't form the plural with -s, there is no need to distinguish between an -s forming the possessive and the -s forming the plural. Therefore, we have ' ('man') and ' ('man's'), without apostrophe, but ' ('naval pilot') and '' ('naval pilot's'). Indicating the possessive for the two former American presidents named George Bush, whose names end in , could be written as both ' (simply adding an -s to the name) and ' (adding an apostrophe to the end of the name). * In Portuguese the apostrophe is used to reproduce certain popular pronunciations such as (pay attention to yourself) or in a few combinations of word, when there is the suppression of the vowel of the preposition ''de'' in certain compound words (the ones formed by two or more stems) such as ('water tower'), ('guineafowl'), (a plant species, ), ('morning star'), etc. Portuguese has many contractions between prepositions and articles or pronouns (like ''na'' for ''em'' + ''a''), but these are written without an apostrophe. Also, no apostrophe is used in the word ''pra'', the reduced or popular form of the preposition ''para''. * Modern Spanish no longer uses the apostrophe to indicate elision in standard writing, although it can sometimes be found in older poetry for that purpose. Instead Spanish writes out the spoken elision in full (', ') except for the contraction ' for ' + ', and ''al'' for ''a'' + ''el,'' which use no apostrophe. Spanish also switches to a form that is identical to the masculine article (but is actually a variant of the feminine article) immediately before a feminine noun beginning with a stressed ''a'' instead of writing (or saying) an elision: ', ', and ' but ' and '. This reflects the origin of the Spanish definite articles from the Latin demonstratives '. *In
Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...
, the apostrophe marks an elision, such as ', short for ' ('in the city'), to make the text more similar to the spoken language. This is relaxed style, fairly rarely used, and would not be used by traditional newspapers in political articles, but could be used in entertainment related articles and similar. The formal way to denote elision in Swedish is by using colon, e.g. ' for ' which is rarely spelled out in full. The apostrophe must not be used to indicate the possessive except – although not mandatory – when there is already an ''s'', ''x'' or ''z'' present in the base form, as in '. *
Welsh Welsh may refer to: Related to Wales * Welsh, referring or related to Wales * Welsh language, a Brittonic Celtic language spoken in Wales * Welsh people People * Welsh (surname) * Sometimes used as a synonym for the ancient Britons (Celtic peop ...
uses the apostrophe to mark elision of the definite article ('the') following a vowel (''a'', ''e'', ''i'', ''o'', ''u'', ''y'', or, in Welsh, ''w''), as in , 'to the house'. It is also used with the particle , such as with , 'she is'.


As a glottal stop

Several languages and transliteration systems use the apostrophe or some similar mark to indicate a
glottal stop The glottal plosive or stop is a type of consonantal sound used in many spoken languages, produced by obstructing airflow in the vocal tract or, more precisely, the glottis. The symbol in the International Phonetic Alphabet that represents thi ...
, sometimes considering it a letter of the alphabet: *In several Finno-Ugric languages, such as
Estonian Estonian may refer to: * Something of, from, or related to Estonia, a country in the Baltic region in northern Europe * Estonians, people from Estonia, or of Estonian descent * Estonian language * Estonian cuisine * Estonian culture See also

...
and Finnish; for example in the Finnish word ', being the genitive or accusative of ' ('raw'). *In Guarani, it is called ' , and used in the words ' (language, to speak), ' (grass), ' (sterile). *In Hawaiian, the ''
okina Okina may refer to: * ʻOkina, a letter used in some Polynesian languages, visually resembling a left single quotation mark * Okina () or , a character from the ''Rurouni Kenshin'' manga series * Okina, Spain, a village in the Basque Country * , ...
'' , an inverted apostrophe, is often rendered as . It is considered a letter of the alphabet. * Mayan. *In the Tongan language, the apostrophe is called a ' and is the last letter of the alphabet. It represents the glottal stop. Like the okina, it is inverted. *Various other Austronesian languages, such as Samoan, Tahitian, and
Chamorro Chamorro may refer to: * Chamorro people, the indigenous people of the Mariana Islands in the Western Pacific * Chamorro language, an Austronesian language indigenous to The Marianas * Chamorro Time Zone, the time zone of Guam and the Northern Mari ...
. * Tetum, one of the official languages of East Timor. *The Brazilian native Tupi language. * Mossi (Mooré), a language of Burkina Faso. *In
Võro Võro may refer to: * Võro people, an ethnic group of Estonia * Võro language, a language belonging to the Baltic-Finnic branch of the Finno-Ugric languages of Estonia * Võro Institute, the governing organization of the Võro language Voro ma ...
, the apostrophe is used in parallel with the letter ''q'' as symbol of plural. *Several fictional languages such as
Klingon The Klingons ( ; Klingon: ''tlhIngan'' ) are a fictional species in the science fiction franchise ''Star Trek''. Developed by screenwriter Gene L. Coon in 1967 for the original ''Star Trek'' (''TOS'') series, Klingons were swarthy humanoids c ...
,
D'ni ''Myst'' is a franchise centered on a series of adventure video games. The first game in the series, '' Myst'', was released in 1993 by brothers Rand and Robyn Miller and their video game company Cyan, Inc. The first sequel to ''Myst'', ''Riv ...
,
Mando'a Mandalorians are fictional people associated with the planet Mandalore in the ''Star Wars'' universe and franchise created by George Lucas. Their most distinct cultural features are their battle helmets, chest armor, wrist gauntlets, and often ...
or Na'vi add apostrophes to make names appear "alien". The apostrophe represents sounds resembling the glottal stop in the Turkic languages and in some romanizations of Semitic languages, including Arabic and Hebrew. In that case, the letter ''
'ayn ''Ayin'' (also ''ayn'' or ''ain''; transliterated ) is the sixteenth letter of the Semitic scripts, including Phoenician , Hebrew , Aramaic , Syriac ܥ, and Arabic (where it is sixteenth in abjadi order only). The letter represents a ...
'' (Arabic ع and Hebrew ע) is correspondingly transliterated with the opening single quotation mark.


As a mark of palatalization or non-palatalization

Some languages and transliteration systems use the apostrophe to mark the presence, or the lack of,
palatalization Palatalization may refer to: *Palatalization (phonetics), the phonetic feature of palatal secondary articulation *Palatalization (sound change) Palatalization is a historical-linguistic sound change that results in a palatalized articulation ...
: *In
Belarusian Belarusian may refer to: * Something of, or related to Belarus * Belarusians, people from Belarus, or of Belarusian descent * A citizen of Belarus, see Demographics of Belarus * Belarusian language * Belarusian culture * Belarusian cuisine * Byelor ...
and
Ukrainian Ukrainian may refer to: * Something of, from, or related to Ukraine * Something relating to Ukrainians, an East Slavic people from Eastern Europe * Something relating to demographics of Ukraine in terms of demography and population of Ukraine * So ...
, the apostrophe is used between a consonant and a following "soft" (
iotified In Slavic languages, iotation (, ) is a form of palatalization that occurs when a consonant comes into contact with a palatal approximant from the succeeding phoneme. The is represented by iota (ι) in the Cyrillic alphabet and the Greek alphab ...
) vowel (Be.: е, ё, ю, я; Uk.: є, ї, ю, я) to indicate that ''no'' palatalization of the preceding consonant takes place, and the vowel is pronounced in the same way as at the beginning of a word. It therefore marks a morpheme boundary before and, in Belarusian, is a letter of the alphabet (as the hard sign in Russian is) rather than a simple punctuation mark in English, as it is not a punctuation mark in Belarusian. It appears frequently in Ukrainian, as, for instance, in the words: () 'five', () 'departure', () 'united', () 'to clear up, explain', () play (drama), etc. *In Russian and some derived alphabets, the same function has been served by the
hard sign The letter Ъ (italics ) of the Cyrillic script is known as er golyam (ер голям – "big er") in the Bulgarian alphabet, as the hard sign (russian: твёрдый знак, tvjórdyj znak, , rue, твердый знак, tverdyj znak) in ...
(ъ, formerly called ''yer''). But the apostrophe saw some use as a substitute after 1918, when Soviet authorities enforced an orthographic reform by confiscating movable type bearing the hard sign from stubborn printing houses in Petrograd. *In some Latin transliterations of certain
Cyrillic alphabets Numerous Cyrillic alphabets are based on the Cyrillic script. The early Cyrillic alphabet was developed in the 9th century AD and replaced the earlier Glagolitic script developed by the Byzantine theologians Saints Cyril and Methodius, Cyril ...
(for
Belarusian Belarusian may refer to: * Something of, or related to Belarus * Belarusians, people from Belarus, or of Belarusian descent * A citizen of Belarus, see Demographics of Belarus * Belarusian language * Belarusian culture * Belarusian cuisine * Byelor ...
, Russian, and
Ukrainian Ukrainian may refer to: * Something of, from, or related to Ukraine * Something relating to Ukrainians, an East Slavic people from Eastern Europe * Something relating to demographics of Ukraine in terms of demography and population of Ukraine * So ...
), the apostrophe is used to replace the soft sign (ь, indicating palatalization of the preceding consonant), e.g., ''Русь'' is transliterated '' Rus''' according to the BGN/PCGN system. (The prime symbol is also used for the same purpose.) Some of these transliteration schemes use a double apostrophe ( ˮ ) to represent the apostrophe in Ukrainian and Belarusian text and the hard sign (ъ) in Russian text, e.g. Ukrainian ' ('Slavic') is transliterated as '. *Some Karelian orthographies use an apostrophe to indicate palatalization, e.g. ' ('to give advice'), ' ('just (like)'), ' ('to revive').


To separate morphemes

Some languages use the apostrophe to separate the root of a word and its
affix In linguistics, an affix is a morpheme that is attached to a word stem to form a new word or word form. Affixes may be derivational, like English ''-ness'' and ''pre-'', or inflectional, like English plural ''-s'' and past tense ''-ed''. They ar ...
es, especially if the root is foreign and unassimilated. (For another kind of morphemic separation see pinyin, below.) * In
Danish Danish may refer to: * Something of, from, or related to the country of Denmark People * A national or citizen of Denmark, also called a "Dane," see Demographics of Denmark * Culture of Denmark * Danish people or Danes, people with a Danish ance ...
an apostrophe is sometimes used to join the enclitic definite article to words of foreign origin, or to other words that would otherwise look awkward. For example, one would write ' to mean "the IP address". There is some variation in what is considered "awkward enough" to warrant an apostrophe; for instance, long-established words such as ' ('company') or ' ('level') might be written ' and ', but will generally be seen without an apostrophe. Due to Danish influence, this usage of the apostrophe can also be seen in Norwegian, but is non-standard – a hyphen should be used instead: e.g. (the CD). *In
Estonian Estonian may refer to: * Something of, from, or related to Estonia, a country in the Baltic region in northern Europe * Estonians, people from Estonia, or of Estonian descent * Estonian language * Estonian cuisine * Estonian culture See also

...
, apostrophes can be used in the declension of some foreign names to separate the stem from any declension endings; e.g., ' (
genitive case In grammar, the genitive case (abbreviated ) is the grammatical case that marks a word, usually a noun, as modifying another word, also usually a noun—thus indicating an attributive relationship of one noun to the other noun. A genitive can al ...
) or ' ( illative case) of ''Monet'' (name of the famous painter). *In Finnish, apostrophes are used in the declension of foreign names or loan words that end in a consonant when written but are pronounced with a vowel ending, e.g. ' ('in a show'), ' ('to Bordeaux'). For Finnish as well as
Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...
, there is a closely related use of the colon. *In
Polish Polish may refer to: * Anything from or related to Poland, a country in Europe * Polish language * Poles, people from Poland or of Polish descent * Polish chicken *Polish brothers (Mark Polish and Michael Polish, born 1970), American twin screenwr ...
, the apostrophe is used exclusively for marking inflections of words and word-like elements (but not acronyms – a hyphen is used instead) whose spelling conflicts with the normal rules of inflection. This mainly affects foreign words and names. For instance, one would correctly write ' for "
Al Gore Albert Arnold Gore Jr. (born March 31, 1948) is an American politician, businessman, and environmentalist who served as the 45th vice president of the United States from 1993 to 2001 under President Bill Clinton. Gore was the Democratic Part ...
's campaign". In this example, ' is spelled without an apostrophe, since its spelling and pronunciation fit into normal Polish rules; but ' needs the apostrophe, because ''e'' disappears from the pronunciation, changing the inflection pattern. This rule is often misunderstood as calling for an apostrophe after ''all'' foreign words, regardless of their pronunciation, yielding the incorrect ', for example. The effect is akin to the greengrocers' apostrophe (see above). *In
Turkish Turkish may refer to: *a Turkic language spoken by the Turks * of or about Turkey ** Turkish language *** Turkish alphabet ** Turkish people, a Turkic ethnic group and nation *** Turkish citizen, a citizen of Turkey *** Turkish communities and mi ...
, proper nouns are capitalised and an apostrophe is inserted between the noun and any following
inflectional suffix In linguistics, a suffix is an affix which is placed after the stem of a word. Common examples are case endings, which indicate the grammatical case of nouns, adjectives, and verb endings, which form the conjugation of verbs. Suffixes can carry ...
, e.g. ' ("in Istanbul"), contrasting with ' ("in school", ' is a common noun) and ' ('Istanbulite', ''-lu'' is a
derivational suffix In linguistics, a suffix is an affix which is placed after the Stem (linguistics), stem of a word. Common examples are case endings, which indicate the grammatical case of nouns, adjectives, and verb endings, which form the Grammatical conjugation ...
). *In
Welsh Welsh may refer to: Related to Wales * Welsh, referring or related to Wales * Welsh language, a Brittonic Celtic language spoken in Wales * Welsh people People * Welsh (surname) * Sometimes used as a synonym for the ancient Britons (Celtic peop ...
the apostrophe is used with infixed pronouns in order to distinguish them from the preceding word (e.g. ', 'and my sister' as opposed to ', 'about a sister').


Miscellaneous uses in other languages

*In
Breton Breton most often refers to: *anything associated with Brittany, and generally ** Breton people ** Breton language, a Southwestern Brittonic Celtic language of the Indo-European language family, spoken in Brittany ** Breton (horse), a breed **Ga ...
, the combination ' is used for the consonant (like ''ch'' in English ''Loch Ness''), while ' is used for the consonant (as in French ' or English ''she''). *In Czech, an apostrophe is used for writing to indicate spoken or informal language where the writer wants to express the natural way of informal speech, but it should not be used in formal text or text of a serious nature. E.g., instead of ' ('he read'), the word form ' is used. ' is the informal variant of the verb form ', at least in some varieties. These two words are the same in meaning, but to use the informal form gives the text a more natural tone, as though a friend were talking to you. Furthermore, the same as in the Slovak case above holds for lowercase ''t'' and ''d'', and for the two-digit year notation. *In Finnish, one of the consonant gradation patterns is the change of a ''k'' into a hiatus, e.g. ' → ' ('a pile' → 'a pile's'). This hiatus has to be indicated in spelling with an apostrophe if a long vowel or a diphthong would be immediately followed by the final vowel, e.g. ' → ', ' → '. (This is in contrast to compound words, where the equivalent problem is solved with a hyphen, e.g. ', 'land area'.) Similarly, the apostrophe is used to mark the hiatus (contraction) that occurs in poetry, e.g. ' for ' ('where is'). * Galician restaurants sometimes use ' in their names instead of the standard article ' ('the'). *In
Ganda Ganda may refer to: Places * Ganda, Angola * Ganda, Tibet, China * Ganda, the ancient Latin name of Ghent, a city in Belgium Other uses * Baganda or Ganda, a people of Uganda ** Luganda or Ganda language, a language of Uganda * ''Ganda'' and "Ga ...
, ' (pronounced ) is used in place of ''ŋ'' on keyboards where this character is not available. The apostrophe distinguishes it from the letter combination ' (pronounced ), which has separate use in the language. Compare this with the Swahili usage below. *In Hebrew, the '' geresh'' (a diacritic similar to the apostrophe and often represented by one) is used for several purposes other than to mark an elision: **As an adjacent to letters to show sounds that are not represented in the Hebrew alphabet: Sounds such as (English ''j'' as in ''job''), (English ''th'' as in ''thigh''), and (English ''ch'' as in ''check'') are indicated using ג, ת, and צ with a '' geresh'' (informally ''chupchik''). For example, the name ''George'' is spelled in Hebrew (with representing the first and last consonants). **To denote a
Hebrew numeral The system of Hebrew numerals is a quasi-decimal alphabetic numeral system using the letters of the Hebrew alphabet. The system was adapted from that of the Greek numerals in the late 2nd century BCE. The current numeral system is also known as t ...
(e.g., , which stands for '50') **To denote a Hebrew letter which stands for itself (e.g., – the letter ''
mem Mem (also spelled Meem, Meme, or Mim) is the thirteenth letter of the Semitic abjads, including Hebrew mēm , Aramaic Mem , Syriac mīm ܡ, Arabic mīm and Phoenician mēm . Its sound value is . The Phoenician letter gave rise to the Greek mu ...
'') **
Gershayim Gershayim (Hebrew: , without niqqud ), also occasionally grashayim. (), is two distinct typographical marks in the Hebrew language. The name literally means "double geresh". Punctuation mark Gershayim most commonly refers to the punctuation mark ...
(a double geresh) to denote a Hebrew letter name (e.g., – the letter '' lamed'') **Another (rarer) use of geresh is to denote the last syllable (which in some cases, but not all, is a
suffix In linguistics, a suffix is an affix which is placed after the stem of a word. Common examples are case endings, which indicate the grammatical case of nouns, adjectives, and verb endings, which form the conjugation of verbs. Suffixes can carry ...
) in some words of
Yiddish Yiddish (, or , ''yidish'' or ''idish'', , ; , ''Yidish-Taytsh'', ) is a West Germanic language historically spoken by Ashkenazi Jews. It originated during the 9th century in Central Europe, providing the nascent Ashkenazi community with a ver ...
origin (e.g., ). **In the Middle Ages and the Early modern period, gershayim were also used to denote foreign words, as well as a means of emphasis. * In Italian, an apostrophe is sometimes used as a substitute for a grave or an
acute accent The acute accent (), , is a diacritic used in many modern written languages with alphabets based on the Latin, Cyrillic, and Greek scripts. For the most commonly encountered uses of the accent in the Latin and Greek alphabets, precomposed ch ...
. This may be done after an initial E or an accented final vowel (when writing in all-capitals), or when the proper form of the letter is unavailable for technical reasons. So a sentence beginning ('It is true that...') may be written as . This form is often seen in newspapers, as it is the only case of an accent above the
cap height In typography, cap height is the height of a capital letter above the baseline for a particular typeface.http://pfaedit.sourceforge.net/glossary.html Glossary of (some) Typographic Terms It specifically is the height of capital letters that are f ...
and its omission permits the text to be more closely spaced (
leading In typography, leading ( ) is the space between adjacent lines of type; the exact definition varies. In hand typesetting, leading is the thin strips of lead (or aluminium) that were inserted between lines of type in the composing stick to incre ...
). Less commonly, a forename like might be rendered as ''Niccolo'', or ''NICCOLO''; ''perché'', as ''perche'', or ''PERCHE''. This applies only to machine or computer writing, in the absence of a suitable keyboard. * In
Jèrriais (french: Jersiais, also known as the Jersey Language, Jersey French and Jersey Norman French in English) is a Romance language and the traditional language of the Jersey people. It is a form of the Norman language spoken in Jersey, an island i ...
, one of the uses of the apostrophe is to mark gemination, or consonant length: For example, ' represents , ' , ' , ' , and ' (contrasted with , , , , and ). * In
Lithuanian Lithuanian may refer to: * Lithuanians * Lithuanian language * The country of Lithuania * Grand Duchy of Lithuania * Culture of Lithuania * Lithuanian cuisine * Lithuanian Jews as often called "Lithuanians" (''Lita'im'' or ''Litvaks'') by other Jew ...
, the apostrophe is occasionally used to add a Lithuanized ending on an international word, e.g.- "parking'as", "Skype'as", "Facebook'as". * In standard Lojban orthography, the apostrophe is a letter in its own right (called ) that can appear only between two vowels, and is phonemically realised as either or, more rarely, *In
Macedonian Macedonian most often refers to someone or something from or related to Macedonia. Macedonian(s) may specifically refer to: People Modern * Macedonians (ethnic group), a nation and a South Slavic ethnic group primarily associated with North M ...
the apostrophe is sometimes used to represent the sound
schwa In linguistics, specifically phonetics and phonology, schwa (, rarely or ; sometimes spelled shwa) is a vowel sound denoted by the IPA symbol , placed in the central position of the vowel chart. In English and some other languages, it rep ...
, which can be found on dialectal levels, but not in the Standard Macedonian. *In Slovak, the caron over lowercase ''t'', ''d'', ''l'', and uppercase ''L'' consonants resembles an apostrophe, for example, ''ď'', ''ť'', ''ľ'', and ''Ľ''. This is especially so in certain common typographic renderings. But it is non-standard to use an apostrophe instead of the caron. There is also ''l'' with an acute accent: ''ĺ'', ''Ĺ''. In Slovak the apostrophe is properly used only to indicate
elision In linguistics, an elision or deletion is the omission of one or more sounds (such as a vowel, a consonant, or a whole syllable) in a word or phrase. However, these terms are also used to refer more narrowly to cases where two words are run toget ...
in certain words (', as an abbreviated form of ' ('you are'), or ' for ' ('up')); however, these elisions are restricted to poetry (with a few exceptions). Moreover, the apostrophe is also used before a two-digit year number (to indicate the omission of the first two digits): ' (usually used for 1987). * In
Swahili Swahili may refer to: * Swahili language, a Bantu language official in Kenya, Tanzania and Uganda and widely spoken in the African Great Lakes * Swahili people, an ethnic group in East Africa * Swahili culture Swahili culture is the culture of ...
, an apostrophe after ' shows that there is no sound of after the sound; that is, that the ' is pronounced as in English ''singer'', not as in English ''finger''. * In Switzerland, the apostrophe is used as thousands separator alongside the
fixed space In word processing and digital typesetting, a non-breaking space, , also called NBSP, required space, hard space, or fixed space (though it is not of fixed width), is a space character that prevents an automatic line break at its position. In s ...
(e.g., 2'000'000 or for two million) in all four national languages. * In the new Uzbek Latin alphabet adopted in 2000, the apostrophe serves as a
diacritical mark A diacritic (also diacritical mark, diacritical point, diacritical sign, or accent) is a glyph added to a letter or to a basic glyph. The term derives from the Ancient Greek (, "distinguishing"), from (, "to distinguish"). The word ''diacritic ...
to distinguish different phonemes written with the same letter: it differentiates ' (corresponding to Cyrillic '' ў'') from ', and ' (Cyrillic '' ғ'') from '. This avoids the use of special characters, allowing Uzbek to be typed with ease in ordinary ASCII on any Latin keyboard. In addition, a postvocalic apostrophe in Uzbek represents the glottal stop phoneme derived from Arabic ''
hamza Hamza ( ar, همزة ') () is a letter in the Arabic alphabet, representing the glottal stop . Hamza is not one of the 28 "full" letters and owes its existence to historical inconsistencies in the standard writing system. It is derived from ...
h'' or ''
'ayn ''Ayin'' (also ''ayn'' or ''ain''; transliterated ) is the sixteenth letter of the Semitic scripts, including Phoenician , Hebrew , Aramaic , Syriac ܥ, and Arabic (where it is sixteenth in abjadi order only). The letter represents a ...
'', replacing Cyrillic '' ъ''. *In English
Yorkshire dialect The Yorkshire dialect (also known as Broad Yorkshire, Tyke, Yorkie or Yorkshire English) is a dialect of English, or continuum of dialects, spoken in the Yorkshire region of Northern England. The dialect has roots in Old English and is influen ...
, the apostrophe is used to represent the word ''the'', which is contracted to a more glottal (or 'unreleased') /t/ sound. Most users will write ''in t'barn'' ('in the barn'), ''on t'step'' ('on the step'); and those unfamiliar with Yorkshire speech will often make these sound like ''intuh barn'' and ''ontuh step''. A more accurate rendition might be ''in't barn'' and ''on't step'', though even this does not truly convey correct Yorkshire pronunciation as the ''t'' is more like a
glottal stop The glottal plosive or stop is a type of consonantal sound used in many spoken languages, produced by obstructing airflow in the vocal tract or, more precisely, the glottis. The symbol in the International Phonetic Alphabet that represents thi ...
. *In the pinyin (hànyǔ pīnyīn) system of romanization for
Standard Chinese Standard Chinese ()—in linguistics Standard Northern Mandarin or Standard Beijing Mandarin, in common speech simply Mandarin, better qualified as Standard Mandarin, Modern Standard Mandarin or Standard Mandarin Chinese—is a modern Standar ...
, an apostrophe is often loosely said to separate syllables in a word where ambiguity could arise. Example: the standard romanization for the name of the city '' Xī'ān'' includes an apostrophe to distinguish it from a single-syllable word '. More strictly, however, it is standard to place an apostrophe only before every ''a'', ''e'', or ''o'' that starts a new syllable after the first if it is not preceded by a hyphen or a dash. Examples: '' Tiān'ānmén'', ''
Yǎ'ān Ya'an (, Tibetan: Yak-Nga ) is a prefecture-level city in the western part of Sichuan province, China, located just below the Tibetan Plateau. The city is home to Sichuan Agricultural University, the only 211 Project university and the largest ...
''; but simply ''
Jǐnán Jinan (), alternately romanized as Tsinan, is the capital of Shandong province in Eastern China. With a population of 9.2 million, it is the second-largest city in Shandong. The area of present-day Jinan has played an important role in the his ...
'', in which the syllables are ''ji'' and ''nan'', since the absence of an apostrophe shows that the syllables are not ''jin'' and ''an'' (contrast ''
Jīn'ān Jin'an District () is a district of the city of Lu'an, Anhui, Anhui Province, People's Republic of China. It has a population of and an area of . The government of Jin'an District is located on Renmin St. The district has jurisdiction over three ...
''). This is a kind of morpheme-separation marking (see above). *In the largely superseded Wade–Giles romanization for Standard Chinese, an apostrophe marks aspiration of the preceding consonant sound. Example: in ''tsê'' (pinyin ''ze'') the consonant represented by ''ts'' is unaspirated, but in ''ts'ê'' (pinyin ''ce'') the consonant represented by ''ts'' is aspirated. Some academic users of the system write this character as a spiritus asper ( or ) or single left (opening)
quotation mark Quotation marks (also known as quotes, quote marks, speech marks, inverted commas, or talking marks) are punctuation marks used in pairs in various writing systems to set off direct speech, a quotation, or a phrase. The pair consists of an ...
(‘). *In some systems of romanization for the Japanese, the apostrophe is used between
moras Moras is a commune in the Isère department in southeastern France. Population See also *Communes of the Isère department The following is a list of the 512 Communes of France, communes in the French Departments of France, department of I ...
in ambiguous situations, to differentiate between, for example, ' and ' + '. (This is similar to the practice in Pinyin mentioned above.) *In science fiction and fantasy, the apostrophe is often used in fictional names, sometimes to indicate a
glottal stop The glottal plosive or stop is a type of consonantal sound used in many spoken languages, produced by obstructing airflow in the vocal tract or, more precisely, the glottis. The symbol in the International Phonetic Alphabet that represents thi ...
(for example
Mitth'raw'nuruodo Grand Admiral Thrawn (full name: Mitth'raw'nuruodo) is a fictional character in the ''Star Wars'' franchise. He is notable for appearing as the eponymous character in the ''Thrawn'' trilogy of novels (1991–1993) by Timothy Zahn. Thrawn is an i ...
in ''
Star Wars ''Star Wars'' is an American epic film, epic space opera multimedia franchise created by George Lucas, which began with the Star Wars (film), eponymous 1977 film and quickly became a worldwide popular culture, pop-culture Cultural impact of S ...
''), but also sometimes simply for decoration.


Typographic form

The shape of the apostrophe originated in manuscript writing, as a point with a downwards tail curving clockwise. This form was inherited by the typographic apostrophe, , also known as the typeset apostrophe (or, informally, the curly apostrophe). Later
sans-serif In typography and lettering, a sans-serif, sans serif, gothic, or simply sans letterform is one that does not have extending features called "serifs" at the end of strokes. Sans-serif typefaces tend to have less stroke width variation than seri ...
typefaces had stylised apostrophes with a more geometric or simplified form, but usually retaining the same directional bias as a closing quotation mark. With the invention of the typewriter, a "neutral" or "straight" shape quotation mark, , was created to represent a number of different glyphs with a single keystroke: the apostrophe, both the opening and the closing single
quotation mark Quotation marks (also known as quotes, quote marks, speech marks, inverted commas, or talking marks) are punctuation marks used in pairs in various writing systems to set off direct speech, a quotation, or a phrase. The pair consists of an ...
s, the single primes, and on some typewriters even the exclamation point (by backspacing and overprinting with a period). This is known as the typewriter apostrophe or 'vertical apostrophe'. The same convention was adopted for double
quotation mark Quotation marks (also known as quotes, quote marks, speech marks, inverted commas, or talking marks) are punctuation marks used in pairs in various writing systems to set off direct speech, a quotation, or a phrase. The pair consists of an ...
s (). Both simplifications carried over to computer keyboards and the ASCII character set.


Informal use in measurement and mathematics

Formally, the symbol used to represent a
foot The foot ( : feet) is an anatomical structure found in many vertebrates. It is the terminal portion of a limb which bears weight and allows locomotion. In many animals with feet, the foot is a separate organ at the terminal part of the leg made ...
of length, depth, or height, is (prime) and that for the
inch Measuring tape with inches The inch (symbol: in or ″) is a unit of length in the British imperial and the United States customary systems of measurement. It is equal to yard or of a foot. Derived from the Roman uncia ("twelfth") ...
is (double prime). (Thus, for example, the notation signifies 5 feet and 7 inches). Similarly, the prime symbol is the formal representation of a
minute of arc A minute of arc, arcminute (arcmin), arc minute, or minute arc, denoted by the symbol , is a unit of angular measurement equal to of one degree. Since one degree is of a turn (or complete rotation), one minute of arc is of a turn. The na ...
(1/60 of a
degree Degree may refer to: As a unit of measurement * Degree (angle), a unit of angle measurement ** Degree of geographical latitude ** Degree of geographical longitude * Degree symbol (°), a notation used in science, engineering, and mathematics ...
in geometry and geomatics), and double prime represents a second of arc (for example, 17°54′32″ represents 17 degrees 54 minutes and 32 seconds). Similarly in mathematics, the prime is generally used to generate more variable names for similar things without resorting to subscripts, with ''x''′ generally meaning something related to (or derived from) ''x''. Because of the very close similarity of the typewriter apostrophe and typewriter double quote to prime and double prime, substitution in informal contexts is ubiquitous but they are deprecated in contexts where proper typography is important. There is also a risk of an automatic process 'correcting' a typewriter apostrophe to a typographic apostrophe, which will not make sense if a prime symbol was intended.


Unicode

In its
Unicode Standard Unicode, formally The Unicode Standard,The formal version reference is is an information technology standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems. The standard, whic ...
(version 13.0), the Unicode Consortium describes three characters that represent apostrophe: *: The typewriter or ASCII apostrophe. The standard remarks: * is preferred where the character is to represent a punctuation mark, as for contractions: "we’ve", and the code is also referred to as a ''punctuation apostrophe''. The closing single quote and the apostrophe were unified in Unicode 2.1 "to correct problems in the mapping tables from Windows and Macintosh code pages." This can make searching text more difficult as quotes and apostrophes cannot be distinguished without context. * is preferred where the apostrophe is to represent a modifier letter (for example, in transliterations to indicate a glottal stop). In the latter case, it is also referred to as a ''letter apostrophe''. The letter apostrophe may be used, for example, in transliterations to represent the Arabic
glottal stop The glottal plosive or stop is a type of consonantal sound used in many spoken languages, produced by obstructing airflow in the vocal tract or, more precisely, the glottis. The symbol in the International Phonetic Alphabet that represents thi ...
(''
hamza Hamza ( ar, همزة ') () is a letter in the Arabic alphabet, representing the glottal stop . Hamza is not one of the 28 "full" letters and owes its existence to historical inconsistencies in the standard writing system. It is derived from ...
'') or the Cyrillic " soft sign", or in some orthographies such as ' of
Breton Breton most often refers to: *anything associated with Brittany, and generally ** Breton people ** Breton language, a Southwestern Brittonic Celtic language of the Indo-European language family, spoken in Brittany ** Breton (horse), a breed **Ga ...
, where this combination is an independent trigraph.
ICANN The Internet Corporation for Assigned Names and Numbers (ICANN ) is an American multistakeholder group and nonprofit organization responsible for coordinating the maintenance and procedures of several databases related to the namespaces ...
considers this the proper character for
Ukrainian Ukrainian may refer to: * Something of, from, or related to Ukraine * Something relating to Ukrainians, an East Slavic people from Eastern Europe * Something relating to demographics of Ukraine in terms of demography and population of Ukraine * So ...
apostrophe within IDNs. This character is rendered identically to in the Unicode code charts, and the standard cautions that one should never assume this code is used in any language.


Characters similar to apostrophe

* * * * * Hawaiian ''
okina Okina may refer to: * ʻOkina, a letter used in some Polynesian languages, visually resembling a left single quotation mark * Okina () or , a character from the ''Rurouni Kenshin'' manga series * Okina, Spain, a village in the Basque Country * , ...
'' and for the transliteration of Arabic and Hebrew ''
ʻayn ''Ayin'' (also ''ayn'' or ''ain''; transliterated ) is the sixteenth letter of the Semitic scripts, including Phoenician , Hebrew , Aramaic , Syriac ܥ, and Arabic (where it is sixteenth in abjadi order only). The letter represents a ...
''. * * * Arabic ''
hamza Hamza ( ar, همزة ') () is a letter in the Arabic alphabet, representing the glottal stop . Hamza is not one of the 28 "full" letters and owes its existence to historical inconsistencies in the standard writing system. It is derived from ...
'' and Hebrew ''
alef Aleph (or alef or alif, transliterated ʾ) is the first letter of the Semitic abjads, including Phoenician , Hebrew , Aramaic , Syriac , Arabic ʾ and North Arabian 𐪑. It also appears as South Arabian 𐩱 and Ge'ez . These letter ...
''. * Arabic and Hebrew ''
ʿayin ''Ayin'' (also ''ayn'' or ''ain''; transliterated ) is the sixteenth letter of the Semitic scripts, including Phoenician , Hebrew , Aramaic , Syriac ܥ, and Arabic (where it is sixteenth in abjadi order only). The letter represents a ...
''. * Stress accent or dynamic accent. * * One of two characters for glottal stop in Nenets. * * Also known as combining Greek '' psili''. * Also known as combining Greek '' dasia''. * * * Identical to U+0313. * Also known as Greek '. * * * * * * * * (or turned comma, which can mark a letter's omission) * * * * * '' Saltillo'' of the languages of Mexico. * *
Fullwidth form In CJK (Chinese, Japanese and Korean) computing, graphic characters are traditionally classed into fullwidth (in Taiwan and Hong Kong: 全形; in CJK: 全角) and halfwidth (in Taiwan and Hong Kong: 半形; in CJK: 半角) characters. Unlike ...
of the typewriter apostrophe.


Computing

In modern computing practice, Unicode is the standard and default method for character encoding. However, Unicode itself and many
legacy applications In computing, a legacy system is an old method, technology, computer system, or application program, "of, relating to, or being a previous or outdated computer system", yet still in use. Often referencing a system as "legacy" means that it paved ...
have echoes of earlier practices. Furthermore, the limited character set provided by computer keyboards has also required practical and pragmatic adjustments. These issues are detailed below.


ASCII encoding

The typewriter apostrophe, , was inherited by computer keyboards, and is the only apostrophe
character Character or Characters may refer to: Arts, entertainment, and media Literature * ''Character'' (novel), a 1936 Dutch novel by Ferdinand Bordewijk * ''Characters'' (Theophrastus), a classical Greek set of character sketches attributed to The ...
available in the (7-bit) ASCII character encoding, at code value 0x27 (39). In ASCII, it may be used to represent any of left single
quotation mark Quotation marks (also known as quotes, quote marks, speech marks, inverted commas, or talking marks) are punctuation marks used in pairs in various writing systems to set off direct speech, a quotation, or a phrase. The pair consists of an ...
, right single quotation mark, apostrophe, vertical line or prime (punctuation marks), or an
acute accent The acute accent (), , is a diacritic used in many modern written languages with alphabets based on the Latin, Cyrillic, and Greek scripts. For the most commonly encountered uses of the accent in the Latin and Greek alphabets, precomposed ch ...
(modifier letters). Many earlier (pre-1985) computer displays and printers rendered the ASCII apostrophe as a typographic apostrophe, and rendered the
grave accent The grave accent () ( or ) is a diacritical mark used to varying degrees in French, Dutch, Portuguese, Italian and many other western European languages, as well as for a few unusual uses in English. It is also used in other languages using t ...
('back tick', 0x60, 96) as a matching left single quotation mark. This allowed a more typographic appearance of text: ``I can't'' would appear as on these systems. This can still be seen in many documents prepared at that time, and is still used in the TeX typesetting system to create typographic quotes.


Typographic apostrophe in 8-bit encodings

Support for the typographic apostrophe (  ) was introduced in several 8-bit character encodings, such as the Apple Macintosh operating system's
Mac Roman Mac OS Roman is a character encoding created by Apple Computer, Inc. for use by Macintosh computers. It is suitable for representing text in English and several other Western languages. Mac OS Roman encodes 256 characters, the first 128 of which ...
character set (in 1984), and later in the CP1252 encoding of
Microsoft Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for serv ...
. Both sets also used this code point for a closing single quote. There is no such character in
ISO 8859-1 ISO/IEC 8859-1:1998, ''Information technology — 8-bit single-byte coded graphic character sets — Part 1: Latin alphabet No. 1'', is part of the ISO/IEC 8859 series of ASCII-based standard character encodings, first edition published in 1 ...
. The
Microsoft Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for serv ...
code page In computing, a code page is a character encoding and as such it is a specific association of a set of printable characters and control characters with unique numbers. Typically each number represents the binary value in a single byte. (In some co ...
CP1252 (sometimes incorrectly called ''ANSI'' or ''ISO-Latin'') contains the typographic apostrophe at 0x92. Due to "smart quotes" in Microsoft software converting the ASCII apostrophe to this value, other software makers have been effectively forced to adopt this as a ''de facto'' convention. For instance, the HTML5 standard specifies that this value is interpreted as this character from CP1252. Some earlier non-Microsoft browsers would display a '?' for this and make web pages composed with Microsoft software somewhat hard to read.


Entering apostrophes

Although ubiquitous in typeset material, the typographic apostrophe (  ) is rather difficult to enter on a computer, since it does not have its own key on a standard keyboard. Outside the world of professional typesetting and graphic design, many people do not know how to enter this character and instead use the typewriter apostrophe ( ' ). The typewriter apostrophe has always been considered tolerable on Web pages because of the egalitarian nature of Web publishing, the low resolution of computer monitors in comparison to print, and legacy limitations provided by ASCII. More recently, the standard use of the typographic apostrophe is becoming more common on the Web due to the wide adoption of the Unicode text encoding standard, higher-resolution displays, and advanced anti-aliasing of text in modern operating systems. Because typewriter apostrophes are now often automatically converted to typographic apostrophes by word processing and desktop publishing software, the typographic apostrophe does often appear in documents produced by non-professionals, albeit sometimes incorrectly—see the section "Smart Quotes" below. XML (and hence XHTML) defines an '
character entity reference Character or Characters may refer to: Arts, entertainment, and media Literature * ''Character'' (novel), a 1936 Dutch novel by Ferdinand Bordewijk * ''Characters'' (Theophrastus), a classical Greek set of character sketches attributed to The ...
for the ASCII typewriter apostrophe. ' is officially supported in HTML since HTML 5. It is ''not'' defined in HTML 4 despite all the other predefined character entities from XML being defined. If it cannot be entered literally in HTML, a numeric character reference could be used instead, such as ' or '. In the HTML entity ’ the ''rsquo'' is short for right single quotation mark.


Smart quotes

To make typographic apostrophes easier to enter, word processing and publishing software often convert typewriter apostrophes to typographic apostrophes during text entry (at the same time converting opening and closing single and double quotes to their standard left-handed or right-handed forms). A similar facility may be offered on web servers after submitting text in a form field, e.g. on weblogs or free encyclopedias. This is known as the ''smart quotes'' feature; apostrophes and quotation marks that are not automatically altered by computer programs are known as ''dumb quotes''. Such conversion is not always correct. Smart quotes features often incorrectly convert a leading apostrophe to an opening quotation mark (e.g., in abbreviations of years: ''29'' rather than the correct ''29'' for the years ''1929'' or ''2029'' (depending on context); or ''twas'' instead of ''twas'' as the
archaic Archaic is a period of time preceding a designated classical period, or something from an older period of time that is also not found or used currently: *List of archaeological periods **Archaic Sumerian language, spoken between 31st - 26th cent ...
abbreviation of ''it was''). Smart quote features also often fail to recognise situations when a prime rather than an apostrophe is needed; for example, incorrectly rendering the latitude 49° 53′ 08″ as 49° 53 08. In Microsoft Word it is possible to turn smart quotes off (in some versions, by navigating through ''Tools'', ''AutoCorrect'', ''AutoFormat as you type'', and then unchecking the appropriate option). Alternatively, typing Control-Z (for ''Undo'') immediately after entering the apostrophe will convert it back to a typewriter apostrophe. In Microsoft Word for Windows, holding down the Control key while typing two apostrophes will produce a single typographic apostrophe.


Programming

Some programming languages, like
Pascal Pascal, Pascal's or PASCAL may refer to: People and fictional characters * Pascal (given name), including a list of people with the name * Pascal (surname), including a list of people and fictional characters with the name ** Blaise Pascal, Fren ...
, use the ASCII apostrophe to delimit string literals. In many languages, including JavaScript, ECMAScript, and Python, either the apostrophe or the double quote may be used, allowing string literals to contain the other character (but not to contain both without using an
escape character In computing and telecommunication, an escape character is a character (computing), character that invokes an alternative interpretation on the following characters in a character sequence. An escape character is a particular case of metacharac ...
), e.g. foo = 'He said "Bar!"';. Strings delimited with apostrophes are often called ''single quoted''. Some languages, such as Perl, PHP, and many shell languages, treat single quoted strings as "raw" strings, while double quoted strings have expressions (such as "$variable") replaced with their values when interpreted. The
C programming language ''The C Programming Language'' (sometimes termed ''K&R'', after its authors' initials) is a computer programming book written by Brian Kernighan and Dennis Ritchie, the latter of whom originally designed and implemented the language, as well as ...
(and many derived languages like C++, Java, C#, and Scala) uses apostrophes to delimit a
character literal A character literal is a type of literal in programming for the representation of a single character's value within the source code of a computer program. Languages that have a dedicated character data type generally include character literals; t ...
. In these languages a character is a different object than a one-letter string. In C++, since C++14, apostrophes can be included as optional digit separators in numeric literals. In Visual Basic (and earlier Microsoft BASIC dialects such as QuickBASIC) an apostrophe is used to denote the start of a comment. In the
Lisp A lisp is a speech impairment in which a person misarticulates sibilants (, , , , , , , ). These misarticulations often result in unclear speech. Types * A frontal lisp occurs when the tongue is placed anterior to the target. Interdental lisping ...
family of programming languages, an apostrophe is shorthand for the quote operator. In Rust, in addition to being used to delimit a character literal, an apostrophe can start an explicit
lifetime Lifetime may refer to: * Life expectancy, the length of time a person is expected to remain alive Arts, entertainment, and media Music * Lifetime (band), a rock band from New Jersey * ''Life Time'' (Rollins Band album), by Rollins Band * ...
.


See also

*
Apologetic apostrophe The 'apologetic'Graham W. (1977) The Scots Word Book, The Ramsay Head Press, Edinburgh, p.11 or parochial apostrophe is the distinctive use of apostrophes in Modern Scots orthography. Apologetic apostrophes generally occurred where a consonant exis ...
* Caron *
Contraction (grammar) A contraction is a shortened version of the spoken and written forms of a word, syllable, or word group, created by omission of internal letters and sounds. In linguistic analysis, contractions should not be confused with crasis, abbreviation ...
*
Elision In linguistics, an elision or deletion is the omission of one or more sounds (such as a vowel, a consonant, or a whole syllable) in a word or phrase. However, these terms are also used to refer more narrowly to cases where two words are run toget ...
*
Genitive case In grammar, the genitive case (abbreviated ) is the grammatical case that marks a word, usually a noun, as modifying another word, also usually a noun—thus indicating an attributive relationship of one noun to the other noun. A genitive can al ...
* Modifier letter double apostrophe * Possessive case


Notes and references


Notes


References


Bibliography

*


External links


"Obsessed with Possessives"
The Carolina Chapter of the Society for Technical Communication article on apostrophe use with possessives.
The apostrophe character
Problems representing apostrophes on computers
The Apostrophe Protection Society



The Dreaded Apostrophe: An approach using a single rule only

How to use an apostrophe
The Oatmeal
"How the Past Affects the Future: The Story of the Apostrophe"
by Christina Cavella and Robin A. Kernodle
A humorous guide to proper and improper usage of the apostropheHumble apostrophe reprieved in council U-turn , The Times
18 March 2013
The Ultimate Flowchart to Using Apostrophes (Infographic)
{{Navbox diacritical marks Latin-script diacritics English orthography Hebrew diacritics Punctuation