A lozenge ( ; symbol: ), often referred to as a diamond, is a form of
rhombus
In plane Euclidean geometry, a rhombus (plural rhombi or rhombuses) is a quadrilateral whose four sides all have the same length. Another name is equilateral quadrilateral, since equilateral means that all of its sides are equal in length. The ...
. The definition of ''lozenge'' is not strictly fixed, and the word is sometimes used simply as a synonym () for ''rhombus''. Most often, though, lozenge refers to a thin rhombus—a rhombus with two acute and two obtuse angles, especially one with acute angles of 45°.
The lozenge shape is often used in
parquetry
Parquet (; French for "a small compartment") is a geometric mosaic of wood pieces used for decorative effect in flooring.
Parquet patterns are often entirely geometrical and angular—squares, triangles, lozenges—but may contain curves. T ...
(with acute angles that are 360°/''n'' with ''n'' being an integer higher than 4, because they can be used to form a set of
tile
Tiles are usually thin, square or rectangular coverings manufactured from hard-wearing material such as ceramic, stone, metal, baked clay, or even glass. They are generally fixed in place in an array to cover roofs, floors, walls, edges, or o ...
s of the same shape and size, reusable to cover the plane in various geometric patterns as the result of a tiling process called
tessellation
A tessellation or tiling is the covering of a surface, often a plane (mathematics), plane, using one or more geometric shapes, called ''tiles'', with no overlaps and no gaps. In mathematics, tessellation can be generalized to high-dimensional ...
in mathematics) and as
decoration
Decoration may refer to:
* Decorative arts
* A house painter and decorator's craft
* An act or object intended to increase the beauty of a person, room, etc.
* An award that is a token of recognition to the recipient intended for wearing
Other ...
on
ceramics
A ceramic is any of the various hard, brittle, heat-resistant and corrosion-resistant materials made by shaping and then firing an inorganic, nonmetallic material, such as clay, at a high temperature. Common examples are earthenware, porcelain ...
,
silverware and
textile
Textile is an umbrella term that includes various fiber-based materials, including fibers, yarns, filaments, threads, different fabric types, etc. At first, the word "textiles" only referred to woven fabrics. However, weaving is not the ...
s. It also features in
heraldry
Heraldry is a discipline relating to the design, display and study of armorial bearings (known as armory), as well as related disciplines, such as vexillology, together with the study of ceremony, rank and pedigree. Armory, the best-known branch ...
and
playing cards
A playing card is a piece of specially prepared card stock, heavy paper, thin cardboard, plastic-coated paper, cotton-paper blend, or thin plastic that is marked with distinguishing motifs. Often the front (face) and back of each card has a fi ...
.
Symbolism
The lozenge motif dates from the
Neolithic
The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several parts ...
and
Paleolithic
The Paleolithic or Palaeolithic (), also called the Old Stone Age (from Greek: παλαιός ''palaios'', "old" and λίθος ''lithos'', "stone"), is a period in human prehistory that is distinguished by the original development of stone too ...
period in
Eastern Europe
Eastern Europe is a subregion of the Europe, European continent. As a largely ambiguous term, it has a wide range of geopolitical, geographical, ethnic, cultural, and socio-economic connotations. The vast majority of the region is covered by Russ ...
and represents a
sown
Sowing is the process of planting seeds. An area or object that has had seeds planted in it will be described as a sowed or sown area.
Plants which are usually sown
Among the major field crops, oats, wheat, and rye are sown, grasses and le ...
field
Field may refer to:
Expanses of open ground
* Field (agriculture), an area of land used for agricultural purposes
* Airfield, an aerodrome that lacks the infrastructure of an airport
* Battlefield
* Lawn, an area of mowed grass
* Meadow, a grass ...
and female
fertility
Fertility is the capability to produce offspring through reproduction following the onset of sexual maturity. The fertility rate is the average number of children born by a female during her lifetime and is quantified demographically. Fertili ...
. The ancient lozenge pattern often shows up in
Diamond vault
A diamond vault is a form of vault church architecture used in the Late Gothic and Renaissance style, which is based on an elaborate system of cavernous vaults in a manner resembling diamonds. It was widely used especially in Central European co ...
architecture, in traditional dress patterns of
Slavic peoples
Slavs are the largest European ethnolinguistic group. They speak the various Slavic languages, belonging to the larger Balto-Slavic language, Balto-Slavic branch of the Indo-European languages. Slavs are geographically distributed throughout ...
, and in traditional
Ukrainian embroidery
Ukrainian embroidery ( uk, вишивка, ''vyshyvka'') occupies an important place among the various branches of Ukrainian decorative arts. Embroidery has a rich history in Ukraine, and has long appeared in Ukrainian folk dress as well as play ...
. The lozenge pattern also appears extensively in
Celtic art
Celtic art is associated with the peoples known as Celts; those who spoke the Celtic languages in Europe from pre-history through to the modern period, as well as the art of ancient peoples whose language is uncertain, but have cultural and styli ...
, art from the
Ottoman Empire
The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University) ...
, and ancient
Phrygia
In classical antiquity, Phrygia ( ; grc, Φρυγία, ''Phrygía'' ) was a kingdom in the west central part of Anatolia, in what is now Asian Turkey, centered on the Sangarios River. After its conquest, it became a region of the great empires ...
n art.
The lozenge symbolism is one of the main symbols for women in
Berber
Berber or Berbers may refer to:
Ethnic group
* Berbers, an ethnic group native to Northern Africa
* Berber languages, a family of Afro-Asiatic languages
Places
* Berber, Sudan, a town on the Nile
People with the surname
* Ady Berber (1913–196 ...
carpets.
Common Berber jewelry from the
Aurès Mountains
The Aures Mountains ( ar, جبال الأوراس) are an eastern prolongation of the Atlas Mountain System that lies to the east of the Saharan Atlas in northeastern Algeria and northwestern Tunisia, North Africa. The mountain range gives its nam ...
or
Kabylie
Kabylia ('' Kabyle: Tamurt n Leqbayel'' or ''Iqbayliyen'', meaning "Land of Kabyles", '','' meaning "Land of the Tribes") is a cultural, natural and historical region in northern Algeria and the homeland of the Kabyle people. It is part of the ...
in Algeria also uses this pattern as a female fertility sign.
In 1658, the English philosopher
Sir Thomas Browne published ''
The Garden of Cyrus
''The Garden of Cyrus'', or ''The Quincuncial Lozenge, or Network Plantations of the Ancients, naturally, artificially, mystically considered'', is a discourse by Sir Thomas Browne. First published in 1658, along with its diptych companion '' ...
,'' subtitled ''The Quincunciall Lozenge, or Network Plantations of the Ancients,'' in which he outlined the
mystical
Mysticism is popularly known as becoming one with God or the Absolute, but may refer to any kind of ecstasy or altered state of consciousness which is given a religious or spiritual meaning. It may also refer to the attainment of insight in u ...
interconnection of
art
Art is a diverse range of human activity, and resulting product, that involves creative or imaginative talent expressive of technical proficiency, beauty, emotional power, or conceptual ideas.
There is no generally agreed definition of wha ...
,
nature
Nature, in the broadest sense, is the physics, physical world or universe. "Nature" can refer to the phenomenon, phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. ...
and the
universe
The universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy. The Big Bang theory is the prevailing cosmological description of the development of the universe. Acc ...
via the
quincunx
A quincunx () is a geometric pattern consisting of five points arranged in a cross, with four of them forming a square or rectangle and a fifth at its center. The same pattern has other names, including "in saltire" or "in cross" in heraldry (dep ...
pattern. He also suggested therein that ancient plantations were laid out in a lozenge pattern.
Lozenges appear as
symbols
A symbol is a mark, sign, or word that indicates, signifies, or is understood as representing an idea, object, or relationship. Symbols allow people to go beyond what is known or seen by creating linkages between otherwise very different conc ...
in
ancient classic element systems, in
amulets
An amulet, also known as a good luck charm or phylactery, is an object believed to confer protection upon its possessor. The word "amulet" comes from the Latin word amuletum, which Pliny's ''Natural History'' describes as "an object that protects ...
, and in
religious symbolism
A religious symbol is an iconic representation intended to represent a specific religion, or a specific concept within a given religion.
Religious symbols have been used in the military in many countries, such as the United States military chapl ...
. In
playing cards
A playing card is a piece of specially prepared card stock, heavy paper, thin cardboard, plastic-coated paper, cotton-paper blend, or thin plastic that is marked with distinguishing motifs. Often the front (face) and back of each card has a fi ...
, the symbol for the
suit
A suit, lounge suit, or business suit is a set of clothes comprising a suit jacket and trousers of identical textiles worn with a collared dress shirt, necktie, and dress shoes. A skirt suit is similar, but with a matching skirt instead of tr ...
of ''diamonds'' is a lozenge.
Encodings
In
Unicode
Unicode, formally The Unicode Standard,The formal version reference is is an information technology Technical standard, standard for the consistent character encoding, encoding, representation, and handling of Character (computing), text expre ...
, the lozenge is encoded in multiple variants:
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
The character is present in
DOS
DOS is shorthand for the MS-DOS and IBM PC DOS family of operating systems.
DOS may also refer to:
Computing
* Data over signalling (DoS), multiplexing data onto a signalling channel
* Denial-of-service attack (DoS), an attack on a communicat ...
code page 437
Code page 437 (CCSID 437) is the character set of the original IBM PC (personal computer). It is also known as CP437, OEM-US, OEM 437, PC-8, or DOS Latin US. The set includes all printable ASCII characters as well as some accented letters (diacri ...
(at character code 4) and
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 ...
(at character 215 = 0xd7). The
TeX
Tex may refer to:
People and fictional characters
* Tex (nickname), a list of people and fictional characters with the nickname
* Joe Tex (1933–1982), stage name of American soul singer Joseph Arrington Jr.
Entertainment
* ''Tex'', the Italian ...
command for the lozenge is
\lozenge
.
In IBM 026
punched card
A punched card (also punch card or punched-card) is a piece of stiff paper that holds digital data represented by the presence or absence of holes in predefined positions. Punched cards were once common in data processing applications or to di ...
code the square lozenge variant is (12-8-4).
Applications
Calculator
![Walther-Multa-32-Tastatur-rechte-Hälfte](https://upload.wikimedia.org/wikipedia/commons/3/3b/Walther-Multa-32-Tastatur-rechte-H%C3%A4lfte.jpg)
On equipment, especially calculators, the lozenge is used to mark the subtotal key. It is standardized in ISO 7000 as symbol ISO-7000-0650 ("Subtotal"). In a similar fashion, the square lozenge (⌑), part of the
BCDIC
BCD (''binary-coded decimal''), also called alphanumeric BCD, alphameric BCD, BCD Interchange Code, or BCDIC, is a family of representations of numerals, uppercase Latin letters, and some special and control characters as six-bit character code ...
character set, was often used on tabulation listings to indicate second level totals in banking installations in the 1960s.
[(Archived copy of the book at Wayback Machine)]
/ref>
Computing
The APL programming language
APL (named after the book ''A Programming Language'') is a programming language developed in the 1960s by Kenneth E. Iverson. Its central datatype is the multidimensional array. It uses a large range of special graphic symbols to represent mos ...
uses the lozenge, called ''diamond'', as statement separator.
Camouflage
During the First World War
World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
, the Germans
, native_name_lang = de
, region1 =
, pop1 = 72,650,269
, region2 =
, pop2 = 534,000
, region3 =
, pop3 = 157,000
3,322,405
, region4 =
, pop4 = ...
developed [lozenge camouflage
Lozenge camouflage was a military camouflage scheme in the form of patterned cloth or painted designs used by some aircraft of the Central Powers in the last two years of , primarily those of the Imperial German ''Luftstreitkräfte''. It takes ...
]. This camouflage was made up of colored polygon
In geometry, a polygon () is a plane figure that is described by a finite number of straight line segments connected to form a closed ''polygonal chain'' (or ''polygonal circuit''). The bounded plane region, the bounding circuit, or the two toge ...
s of four or five colors. The repeating patterns often used irregular four-, five- and six-sided polygons, but some contained regular rhombi or hexagons. Because painting such a pattern was very time-consuming, and the paint added considerably to the weight of the aircraft, the pattern was printed on fabric. This pre-printed fabric was used from 1916 until the end of the war, in various forms and colours.
Flags and emblems
Several flags
A flag is a piece of textile, fabric (most often rectangular or quadrilateral) with a distinctive design and colours. It is used as a symbol, a signalling device, or for decoration. The term ''flag'' is also used to refer to the graphic desi ...
feature lozenges, including the Flag of Brazil
The national flag of Brazil ( pt, bandeira do Brasil), is a blue disc depicting a starry sky (which includes the Southern Cross) spanned by a curved band inscribed with the national motto "''Ordem e Progresso''" ("Order and Progress"), within a y ...
, which contains a yellow lozenge at the center. One official flag of Bavaria
There are officially two flags of Bavaria: the striped type and the lozenge type, both of which are white and blue. Both flags are historically associated with the royal Bavarian Wittelsbach family, which ruled Bavaria from 1180 to 1918.
Overvie ...
is entirely made of blue and white lozenges.
Several emblems
An emblem is an abstract or representational pictorial image that represents a concept, like a moral truth, or an allegory, or a person, like a king or saint.
Emblems vs. symbols
Although the words ''emblem'' and ''symbol'' are often used in ...
feature lozenges, including the Emblem of Uttarakhand
The Emblem of Uttarakhand is the official state seal used by the Government of Uttarakhand and is carried on all official correspondences made by State of Uttarakhand. It was adopted by the newly formed Interim Government of Uttarakhand at the e ...
, one of the twenty-eight states of India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
.
Heraldry
The lozenge in heraldry
Heraldry is a discipline relating to the design, display and study of armorial bearings (known as armory), as well as related disciplines, such as vexillology, together with the study of ceremony, rank and pedigree. Armory, the best-known branch ...
is a diamond-shaped charge
Charge or charged may refer to:
Arts, entertainment, and media Films
* '' Charge, Zero Emissions/Maximum Speed'', a 2011 documentary
Music
* ''Charge'' (David Ford album)
* ''Charge'' (Machel Montano album)
* ''Charge!!'', an album by The Aqu ...
, usually somewhat narrower than it is tall. A mascle is a voided lozenge—that is, a lozenge with a lozenge-shaped hole in the middle—and the rarer rustre is a lozenge containing a circular hole. A field covered in a pattern of lozenges is described as lozengy; a similar field of mascles is masculy.
Mathematics
In axiomatic set theory
Set theory is the branch of mathematical logic that studies Set (mathematics), sets, which can be informally described as collections of objects. Although objects of any kind can be collected into a set, set theory, as a branch of mathematics, ...
, the lozenge refers to the principles known collectively as the diamond principle In mathematics, and particularly in axiomatic set theory, the diamond principle is a combinatorial principle introduced by Ronald Jensen in that holds in the constructible universe () and that implies the continuum hypothesis. Jensen extracted t ...
.
Medicine
Cough tablets have taken the name lozenge, based on their original shape. According to the ''Oxford English Dictionary
The ''Oxford English Dictionary'' (''OED'') is the first and foundational historical dictionary of the English language, published by Oxford University Press (OUP). It traces the historical development of the English language, providing a com ...
'' the first use of this sense was in 1530.
In Finland, the lozenge is associated with salmiak
Salty liquorice, salmiak liquorice or salmiac liquorice, is a variety of liquorice flavoured with the ingredient "salmiak salt" ( sal ammoniac; ammonium chloride), and is a common confection found in the Nordic countries, Benelux, and norther ...
, through Apteekin Salmiakki. Thus, the lozenge is commonly called ''salmiakkikuvio'' "salmiak shape". The pattern is often used even if the candy is not actually lozenge-shaped.
Military insignia
Finland
In Finnish military ranks
The Military ranks of Finland are the military insignia used by the Finnish Defence Forces. The ranks incorporates features from Swedish, German, and Russian armed forces. In addition, the system has some typically Finnish characteristics that are ...
, the lozenge is found in the insignia
An insignia () is a sign or mark distinguishing a group, grade, rank, or function. It can be a symbol of personal power or that of an official group or governing body.
On its own, an insignia is a sign of a specific or general authority and is ...
of conscript officer students (one lozenge) and conscript officer candidates (two lozenges).
United States
To implement 10 U.S.C 773, the Secretary of the Navy has prescribed the following distinctive mark for wear by members of military societies which are composed entirely of honorably discharged officers and enlisted personnel, or by the instructors and members of duly organized cadet corps.
"The distinctive mark will be a diamond, 3 inches long by 2 inches wide, of any cloth material. A white distinctive mark will be worn on blue, green, or khaki clothing; and a blue distinctive mark will be worn on white clothing."
"The distinctive mark will be worn on all outer clothing on the right sleeve, at the point of the shoulder, the upper tip of the diamond to be inch below the shoulder seam."
The lozenge is used in the Army
An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...
, Marine Corps
Marines, or naval infantry, are typically a military force trained to operate in littoral zones in support of naval operations. Historically, tasks undertaken by marines have included helping maintain discipline and order aboard the ship (refle ...
, and Air Force
An air force – in the broadest sense – is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an a ...
on the insignia of their respective first sergeants. It is also used in the cadet programs of Army ROTC
The Army Reserve Officers' Training Corps (AROTC) is the United States Army component of the Reserve Officers' Training Corps. It is the largest Reserve Officers' Training Corps (ROTC) program which is a group of college and university-based offic ...
, Army and Marine Corps Junior ROTC, and the Civil Air Patrol
Civil Air Patrol (CAP) is a congressionally chartered, federally supported non-profit corporation that serves as the official civilian auxiliary of the United States Air Force (USAF). CAP is a volunteer organization with an aviation-minded mem ...
as rank insignia of cadet officers corresponding to the military pay grades of O-4 to O-6 (Cadet Major, Cadet Lieutenant Colonel, and Cadet Colonel).
Modal logic
In modal logic
Modal logic is a collection of formal systems developed to represent statements about necessity and possibility. It plays a major role in philosophy of language, epistemology, metaphysics, and natural language semantics. Modal logics extend other ...
, the lozenge expresses that there is "possibility." For example, the expression expresses that it is possible that is true.
Traffic signs
The lozenge (technically a mascle) can be used on public roadways in the United States and Canada to mark a specific lane for a particular use. The lane will usually be painted with a lozenge at a regular interval, and signage will be installed to indicate the restrictions on using the lane. This marking is most often used to denote high-occupancy vehicle lane
A high-occupancy vehicle lane (also known as an HOV lane, carpool lane, diamond lane, 2+ lane, and transit lane or T2 or T3 lanes) is a restricted traffic lane reserved for the exclusive use of vehicles with a driver and one or more passengers, i ...
s or bus lane
A bus lane or bus-only lane is a lane restricted to buses, often on certain days and times, and generally used to speed up public transport that would be otherwise held up by traffic congestion. The related term busway describes a roadway ...
s, with accompanying signage reading "◊ HOV LANE" or "◊ BUS LANE" and giving the requirements for a vehicle to be accepted. Prior to 17 January 2006, lozenges could also be used to mark bicycle-only lanes, often in conjunction with a bicycle icon.
In Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
and South Korea
South Korea, officially the Republic of Korea (ROK), is a country in East Asia, constituting the southern part of the Korea, Korean Peninsula and sharing a Korean Demilitarized Zone, land border with North Korea. Its western border is formed ...
, a lozenge marked in white paint on the road indicates an upcoming uncontrolled pedestrian crossing. Similarly, in New Zealand
New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...
a lozenge marked in white paint on the road may be placed to indicate an upcoming pedestrian crossing.
In the United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
, lozenges are used on tramway signs. For instance, speed limits are shown as a black lozenge on a white background, containing the speed limit in kilometres per hour.
In many parts of Europe, traffic from the right has right of way at all junctions, unless otherwise stipulated. A yellow lozenge is used (typically on major routes) to indicate that the rule does not apply to the current route.
A hollow lozenge is also used in the signage of waterways to identify a hazard. A cross is placed in the lozenge, dividing it in four, to mark a restricted area.
Travel industry
In travel agencies
A travel agency is a private retailer or public service that provides travel and tourism-related services to the general public on behalf of accommodation or travel suppliers to offer different kinds of travelling packages for each destinatio ...
, where it is known as the "pillow symbol", the square lozenge appears on the specialist keyboards used with booking terminals. In the 1960s, it was used in banking and for other purposes.
Imagery
File:Rhombus.png, Lozenge
File:Museum of Anatolian Civilizations068.jpg, Phrygian art, 7th Century BC
File:MotherGoddessFertility.JPG, Cucuteni-Trypillian figurine with sown field pattern
File:Lozenge.jpg, Bush Barrow
Bush Barrow is a site of the early British Bronze Age Wessex culture (c. 2000 BC), at the western end of the Normanton Down Barrows cemetery. It is among the most important sites of the Stonehenge complex, having produced some of the most spect ...
Lozenge British Bronze Age
Bronze Age Britain is an era of British history that spanned from until . Lasting for approximately 1,700 years, it was preceded by the era of Neolithic Britain and was in turn followed by the period of Iron Age Britain. Being categorised as t ...
File:Antique oushak carpet with a pale red and green tone.jpg, Ushak carpet
Uşak carpets, Ushak carpets or Oushak Carpets ( tr, Uşak Halısı) are Turkish carpets that use a particular family of designs, called by convention after the city of Uşak, Turkey – one of the larger towns in Western Anatolia, which was ...
, Ottoman Empire
The Ottoman Empire, * ; is an archaic version. The definite article forms and were synonymous * and el, Оθωμανική Αυτοκρατορία, Othōmanikē Avtokratoria, label=none * info page on book at Martin Luther University) ...
File:Yantprapidta.JPG, Khatha
{{no footnotes, date=November 2009
Khatha ( km, គាថា) ( th, คาถา), or "Gatha", as originally called in Pali Language), is the Khmer and Thai name used for Sacred Pali prayers, mantras and other magical incantations. Khatha are us ...
, sacred Yantra
Yantra () (literally "machine, contraption") is a geometrical diagram, mainly from the Tantric traditions of the Indian religions. Yantras are used for the worship of deities in temples or at home; as an aid in meditation; used for the benefits ...
amulet from Thailand
Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...
File:Ashthalakshmi - Star of Laxmi.svg, Hindu
Hindus (; ) are people who religiously adhere to Hinduism.Jeffery D. Long (2007), A Vision for Hinduism, IB Tauris, , pages 35–37 Historically, the term has also been used as a geographical, cultural, and later religious identifier for ...
Star of Lakshmi
The Star of Lakshmi is a special octagram, a regular compound polygon, represented by Schläfli symbol or 2, made from two congruent squares with the same center at 45° angles, and figures in Hinduism, commonly misattributed to ''Ashtalakshmi' ...
File:ROUB EL HIZB 06DE.svg, Muslim
Muslims ( ar, المسلمون, , ) are people who adhere to Islam, a monotheistic religion belonging to the Abrahamic tradition. They consider the Quran, the foundational religious text of Islam, to be the verbatim word of the God of Abrah ...
Rub el Hizb
The Rub-el-Hizb ( ar, ربع الحزب, '), also known as the Islamic Star, is an Islamic symbol. It is in the shape of an octagram, represented as two overlapping squares. It has been found on a number of emblems and flags. The main purpose of ...
File:Magic square at the Parshvanatha temple, Khajuraho.png, Magic squares
In recreational mathematics, a square array of numbers, usually positive integers, is called a magic square if the sums of the numbers in each row, each column, and both main diagonals are the same. The 'order' of the magic square is the number o ...
were used as amulets
An amulet, also known as a good luck charm or phylactery, is an object believed to confer protection upon its possessor. The word "amulet" comes from the Latin word amuletum, which Pliny's ''Natural History'' describes as "an object that protects ...
File:Talis02.png, Talisman
A talisman is any object ascribed with religious or magical powers intended to protect, heal, or harm individuals for whom they are made. Talismans are often portable objects carried on someone in a variety of ways, but can also be installed perm ...
design from an 18th-century French grimoire
A grimoire ( ) (also known as a "book of spells" or a "spellbook") is a textbook of magic, typically including instructions on how to create magical objects like talismans and amulets, how to perform magical spells, charms and divination, and ...
File:Qur'an 4475.jpg, Arabic
Arabic (, ' ; , ' or ) is a Semitic languages, Semitic language spoken primarily across the Arab world.Semitic languages: an international handbook / edited by Stefan Weninger; in collaboration with Geoffrey Khan, Michael P. Streck, Janet C ...
manuscript China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
, 16th Century
File:Carolus Magnus denarus Tarvisii.jpg, Charlemagne
Charlemagne ( , ) or Charles the Great ( la, Carolus Magnus; german: Karl der Große; 2 April 747 – 28 January 814), a member of the Carolingian dynasty, was King of the Franks from 768, King of the Lombards from 774, and the first Holy ...
coins, denier or denaro ca. 771-793
File:Dish with floral lozenge from the Belitung shipwreck, ArtScience Museum, Singapore - 20110618.jpg, Belitung shipwreck
The Belitung shipwreck (also called the Tang shipwreck or Batu Hitam shipwreck) is the wreck of an Arabian dhow which sank around 830 AD. The ship completed the outward journey from Arabia to China, but sank on the return journey from China, app ...
, Tang Dynasty
The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dyn ...
ca.825
File:Berezhany- (267).jpg, Traditional sown field pattern of Western Ukraine
Western Ukraine or West Ukraine ( uk, Західна Україна, Zakhidna Ukraina or , ) is the territory of Ukraine linked to the former Kingdom of Galicia–Volhynia, which was part of the Polish–Lithuanian Commonwealth, the Austria ...
File:Armenian rug-9 Kazak.jpg, Armenia
Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ''Ox ...
n tapestry
File:RR 02.png, Rongorongo
Rongorongo (Rapa Nui: ) is a system of glyphs discovered in the 19th century on Rapa Nui (Easter Island) that appears to be writing or proto-writing. Numerous attempts at decipherment have been made, with none being successful. Although some c ...
proto-writing
Proto-writing consists of visible marks communicating limited information. Such systems emerged from earlier traditions of symbol systems in the early Neolithic, as early as the 7th millennium BC in Eastern Europe and China. They used ideograph ...
, possible lunar calendar
A lunar calendar is a calendar based on the monthly cycles of the Moon's phases (synodic months, lunations), in contrast to solar calendars, whose annual cycles are based only directly on the solar year. The most commonly used calendar, the Gre ...
calculating device
File:Epigonation (1911).jpg, Epigonation
The epigonation (Greek: , literally meaning "over the knee"), or palitza (Russian: , "club"), is a vestment used in some Eastern Christian churches.
Description and usage
In Eastern Orthodoxy and Eastern Catholic Churches which follow the Byzant ...
in Eastern Christianity
Eastern Christianity comprises Christian traditions and church families that originally developed during classical and late antiquity in Eastern Europe, Southeastern Europe, Asia Minor, the Caucasus, Northeast Africa, the Fertile Crescent and ...
File:Four elements representation.svg, Greek
Greek may refer to:
Greece
Anything of, from, or related to Greece, a country in Southern Europe:
*Greeks, an ethnic group.
*Greek language, a branch of the Indo-European language family.
**Proto-Greek language, the assumed last common ancestor ...
Classical element
Classical elements typically refer to earth, water, air, fire, and (later) aether which were proposed to explain the nature and complexity of all matter in terms of simpler substances. Ancient cultures in Greece, Tibet, and India had simil ...
s
File:COAabbess.png, In Ecclesiastical heraldry
Ecclesiastical heraldry refers to the use of heraldry within Christianity for dioceses, organisations and Christian clergy. Initially used to mark documents, ecclesiastical heraldry evolved as a system for identifying people and dioceses. It ...
lozenge shape is reserved for women
File:WASPbadge.jpg, Women Airforce Service Pilots Badge {{Unreferenced, date=December 2009
The Women Airforce Service Pilots Badge is an award of the United States Army that was issued during the Second World War. The badge created for the Women Airforce Service Pilots, or WASP (not WASPs, because t ...
File:Roundel of the Philippines.svg, Philippine Air Force
The Philippine Air Force (PAF) ( tgl, Hukbong Himpapawid ng Pilipinas, , Army of the Air of the Philippines) ( es, Ejército Aérea del Filipinas, , Ejército de la Aérea de la Filipinas) is the aerial warfare service branch of the Armed Forc ...
roundel
File:Mitsubishi motors new logo.svg, Mitsubishi
The is a group of autonomous Japanese multinational companies in a variety of industries.
Founded by Yatarō Iwasaki in 1870, the Mitsubishi Group historically descended from the Mitsubishi zaibatsu, a unified company which existed from 1870 ...
logo
File:Renault 2009 logo.svg, Renault
Groupe Renault ( , , , also known as the Renault Group in English; legally Renault S.A.) is a French multinational automobile manufacturer established in 1899. The company produces a range of cars and vans, and in the past has manufactured ...
logo
File:SV-Werder-Bremen-Logo.svg, SV Werder Bremen
Sportverein Werder Bremen von 1899 e. V. (), commonly known as Werder Bremen (), Werder or simply Bremen, is a German professional sports club based in Bremen, Bremen (state), Free Hanseatic City of Bremen. Founded on 4 February 1899, they are be ...
crest
File:Flag of Belarus.svg, National flag of Belarus
Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by R ...
with sown field pattern
File:Flag of Saint Vincent and the Grenadines.svg, National flag of Saint Vincent and the Grenadines
Saint Vincent and the Grenadines () is an island country in the Caribbean. It is located in the southeast Windward Islands of the Lesser Antilles, which lie in the West Indies at the southern end of the eastern border of the Caribbean Sea wh ...
File:Arms of Catherine Middleton.svg, lozenge shape is reserved for women
File:White d a.svg, Ace of diamonds
The ace of diamonds is a playing card in the standard 52-card deck.
Ace of Diamonds may also refer to:
* '' El as de oros'' (English: ''The Ace of Diamonds''), a 1968 Mexican film, directed by Chano Urueta
* '' Ace of Diamond'', a Japanese baseba ...
File:Peterpaul sfbgewoelbe.JPG, Diamond vault
A diamond vault is a form of vault church architecture used in the Late Gothic and Renaissance style, which is based on an elaborate system of cavernous vaults in a manner resembling diamonds. It was widely used especially in Central European co ...
in German architecture
File:Ledringhem-runes.jpg, ''Rune''-shaped designs (five-lozenges cross and heart) on the gable of Ledringhem
Ledringhem ( vls, Ledringem) is a Communes of France, commune in the Nord (French department), Nord Departments of France, department in northern France.
It is situated also in the ancient territory of the County of Flanders, in the ''Houtland ( ...
's church
File:Moforlogiaagrária.jpg, Sown fields in an open field system
The open-field system was the prevalent agricultural system in much of Europe during the Middle Ages and lasted into the 20th century in Russia, Iran, and Turkey. Each manor or village had two or three large fields, usually several hundred acre ...
of farming
See also
* Parallelepiped
In geometry, a parallelepiped is a three-dimensional figure formed by six parallelograms (the term ''rhomboid'' is also sometimes used with this meaning). By analogy, it relates to a parallelogram just as a cube relates to a square. In Euclidea ...
, 3-D Lozenge
* Petrosomatoglyph
A petrosomatoglyph is a supposed image of parts of a human or animal body in rock. They occur all over the world, often functioning as an important form of symbolism, used in religious and secular ceremonies, such as the crowning of kings. Some a ...
, lozenges as symbols in prehistory
Notes
References
External links
*
{{navbox punctuation
Types of quadrilaterals
Logic symbols