A double is a

look-alike A look-alike, double, or doppelgänger is a person who bears a strong physical resemblance to another person, excluding cases like twins and other instances of family resemblance. Some look-alikes have been notable individuals in their own right, ...

doppelgänger A doppelgänger (), a compound noun formed by combining the two nouns (double) and (walker or goer) (), doppelgaenger or doppelganger is a biologically unrelated look-alike, or a double, of a living person. In fiction and mythology, a doppelg ...

; one person or being that resembles another. Double, The Double or Dubble may also refer to:

Film and television

Double (filmmaking) In filmmaking, a double is a person who substitutes FOR another actor such that the person's face is not shown. There are various terms associated with a double based on the specific body part or ability they serve as a double for, such as stunt ...

, someone who substitutes for the credited actor of a character * ''The Double'' (1934 film), a German crime comedy film * ''The Double'' (1971 film), an Italian film * ''The Double'' (2011 film), a spy thriller film * ''The Double'' (2013 film), a film based on the Dostoevsky novella * '' Kamen Rider Double'', a 2009–10 Japanese television series ** Kamen Rider Double (character), the protagonist in a Japanese television series of the same name

Food and drink

Doppio Doppio espresso () is a double shot which is extracted using double the amount of ground coffee in a larger-sized portafilter basket. This results in of drink, double the amount of a single shot espresso. ''Doppio'' is Italian multiplier, me ...

, a double shot of espresso *

Dubbel The term dubbel (also double) is a Belgian Trappist beer naming convention. The origin of the dubbel was a strong version of a brown beer brewed in Westmalle Abbey in 1856, which is known to have been on sale to the public by June 1861.Jef van den ...

, a strong Belgian Trappist beer or, more generally, a strong brown ale * A drink order of two shots of

hard liquor Liquor (or a spirit) is an alcoholic drink produced by distillation of grains, fruits, vegetables, or sugar, that have already gone through alcoholic fermentation. Other terms for liquor include: spirit drink, distilled beverage or hard ...

in one glass * A "double decker", a

hamburger A hamburger, or simply burger, is a food consisting of fillings—usually a patty of ground meat, typically beef—placed inside a sliced bun or bread roll. Hamburgers are often served with cheese, lettuce, tomato, onion, pickles, bacon, or c ...

with two patties in a single bun

Games

* Double, action in games whereby a competitor raises the stakes ** , in contract bridge ** Doubling cube, in backgammon * Double, villain in the video game ''

Mega Man X4 ''Mega Man X4'', originally released in Japan as , is a video game developed by Capcom. It is the fourth game in the ''Mega Man X'' series and the second game in the series to be released on the Sega Saturn and PlayStation (console), PlayStation. ...

'' * A kart racing game '' Mario Kart: Double Dash'' * An arcade action game ''

Double Dragon is a beat 'em up video game series initially developed by Technōs Japan and released as an arcade game in 1987. The series features twin martial artists, Billy and Jimmy Lee, as they fight against various adversaries and rivals. The original ...

Literature

* ''The Double'' (Dostoevsky novel), an 1846 novella by Fyodor Dostoevsky * ''The Double'' (Saramago novel), a 2002 novel by José Saramago * ''Double'' (manga), a 2019 manga series by Ayako Noda * Andrew Dubble, the primary character in the '' Andrew Lost'' children's novels

Mathematics and computing

Multiplication Multiplication (often denoted by the cross symbol , by the mid-line dot operator , by juxtaposition, or, on computers, by an asterisk ) is one of the four elementary mathematical operations of arithmetic, with the other ones being addi ...

by 2 *

Double precision Double-precision floating-point format (sometimes called FP64 or float64) is a floating-point number format, usually occupying 64 bits in computer memory; it represents a wide dynamic range of numeric values by using a floating radix point. F ...

, a floating-point representation of numbers that is typically 64 bits in length * A

split-complex number In algebra, a split complex number (or hyperbolic number, also perplex number, double number) has two real number components and , and is written z=x+yj, where j^2=1. The ''conjugate'' of is z^*=x-yj. Since j^2=1, the product of a number w ...

of the form

x+yj

, where

j^2=+1

* A 2-

tuple In mathematics, a tuple is a finite ordered list (sequence) of elements. An -tuple is a sequence (or ordered list) of elements, where is a non-negative integer. There is only one 0-tuple, referred to as ''the empty tuple''. An -tuple is defi ...

, or ordered list of two elements, commonly called an

ordered pair In mathematics, an ordered pair (''a'', ''b'') is a pair of objects. The order in which the objects appear in the pair is significant: the ordered pair (''a'', ''b'') is different from the ordered pair (''b'', ''a'') unless ''a'' = ''b''. (In co ...

, denoted

(a,b)

Double (manifold) In the subject of manifold theory in mathematics, if M is a manifold with boundary, its double is obtained by gluing two copies of M together along their common boundary. Precisely, the double is M \times \ / \sim where (x,0) \sim (x,1) for all x ...

, in topology

Music

Double album A double album (or double record) is an audio album that spans two units of the primary medium in which it is sold, typically either records or compact disc. A double album is usually, though not always, released as such because the recording ...

, audio album spanning two units of the primary medium in which it is sold, typically records and CDs *

Doubling (voicing) In music theory, voicing refers to two closely related concepts: # How a musician or group distributes, or spaces, notes and chords on one or more instruments # The simultaneous vertical placement of notes in relation to each other; this relat ...

, a kind of musical voicing *

Double variation The double variation (also known as alternating variations) is a musical form used in classical music. It is a type of theme and variations that employs two themes. In a double variation set, a first theme (to be called A here) is followed by a ...

, a variation form in music *

Pasodoble Pasodoble (Spanish: ''double step'') is a fast-paced Spanish military march used by infantry troops. Its speed allowed troops to give 120 steps per minute (double the average of a regular unit, hence its name). This military march gave rise r ...

, a traditional couple's dance from Spain * Double (singer) (born 1975), Japanese R&B singer * Double (band), Swiss pop duo that had their biggest hit in 1986 with "Captain of Her Heart" * ''Double'' (Roch Voisine album), a 1990 album by Roch Voisine * ''Double'' (Zhao Wei album), a 2005 album by Zhao Wei * "Double" (BoA song), 2003 * "The Double", an instrumental by Clint Mansell from the ''Black Swan''

soundtrack A soundtrack is recorded music accompanying and synchronised to the images of a motion picture, drama, book, television program, radio program, or video game; a commercially released soundtrack album of music as featured in the soundtrack of ...

(2010) * The

Double Violin Concerto (Bach) The Concerto for Two Violins in D minor, BWV 1043, also known as the Double Violin Concerto, is a violin concerto of the Late Baroque era, which Johann Sebastian Bach composed around 1730. It is one of the composer's most successful wor ...

in D minor, BWV 1043, commonly referred to as "The Double" among violinists

People

* Baron Emile Double (1869–1938), vigneron who established the vineyard at Château de Beaupré * François-Joseph Double (1776–1842), French physician * Marie-Louise Double de Saint-Lambert (1891–1974), French philanthropist later known as Countess Lily Pastré *

Steve Double Stephen Daniel Double (born 19 December 1966) is a British Conservative Party politician. He has been the Member of Parliament (MP) for St Austell and Newquay since 2015. He has been serving as a junior Lord Commissioner of the Treasury since ...

(born 1966), British Conservative Party politician, Member of Parliament (MP) for St Austell and Newquay since 2015

Places

* Double (lunar crater), in Mare Tranquillitatis * Double Lake, a lake in Minnesota, US

Sports

Double (association football) The Double, in association football, is the achievement of winning a country's top tier division and its primary cup competition in the same season. The lists in this article examine this definition of a double, while derivative sections exami ...

, the act of a winning a division and primary cup competition in the same season *

Double (baseball) In baseball, a double is the act of a batter striking the pitched ball and safely reaching second base without being called out by the umpire, without the benefit of a fielder's misplay (see error) or another runner being put out on a fielder' ...

, a two-base hit in baseball **

The Double (Seattle Mariners) The Double was a double hit by the Seattle Mariners' Edgar Martínez in Game 5 of Major League Baseball's 1995 American League Division Series on October 8, 1995. Trailing by one run in the bottom half of the 11th inning, with Joey Cora on third ...

, a specific instance of the above that occurred during the 1995 Major League Baseball season * Double (cricket), the feat of scoring a thousand first-class runs and taking a hundred first-class wickets in a single season * Double (volleyball), scoring ten or more in a statistical category (aces, kills, blocks, digs, or assists) in a single match * Double-double (basketball), accumulating ten or more in two of five statistical categories (points, rebounds, assists, steals, or blocks) in a single game * Double Duty, a driver attempting to compete in the Indycar Indianapolis 500 and NASCAR Coca-Cola 600 on the same day *

The Double (Gaelic games) The Double is a term in Gaelic games that refers to a county winning the All-Ireland Senior Football Championship and the All-Ireland Senior Hurling Championship in the same year. Other major trophies won in combination in the same year at minor ...

, the act of winning the All-Ireland Senior Football Championship and the All-Ireland Senior Hurling Championship in the same year * The Double (rugby league), winning the Super League and Challenge Cup in one season

Other

* Double, a bet which combines two selections; see Glossary of bets offered by UK bookmakers#Double * Polish Enigma doubles, replicating the function of Nazi Germany's cipher machines * Double, a former fraction of the

Guernsey pound The pound is the currency of Guernsey. Since 1921, Guernsey has been in currency union with the United Kingdom and the Guernsey pound is not a separate currency but is a local issue of sterling banknotes and coins, in a similar way to the banknot ...

* Double, a former rank of liturgical feast in the Roman Rite of the Catholic Church *

Double-flowered "Double-flowered" describes varieties of flowers with extra petals, often containing flowers within flowers. The double-flowered trait is often noted alongside the scientific name with the abbreviation ''fl. pl.'' (''flore pleno'', a Latin ablati ...

form of plants