Double

Double may refer to:

• Look-alike, a person who closely resembles another person
• Body double, someone who substitutes for the credited actor of a character
• Doppelgänger, ghostly double of a living person
• Polish Enigma doubles, replicating the function of Nazi Germany's cipher machines
• Double, a bet which combines two selections; see Glossary of bets offered by UK bookmakers#Double
• Double, a former fraction of the Guernsey pound
• Double, a former rank of a liturgical feast in the Roman Rite

People

• Baron Emile Double (1869–1938), vigneron who established the vineyard at the Château de Beaupré in Saint-Cannat in 1890
• 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 (born 1966), British Conservative Party politician, Member of Parliament (MP) for St Austell and Newquay since 2015

Mathematics and computing

• Multiplication by 2
• Double precision, a floating-point representation of numbers that is typically 64 bits in length
• A split-complex number of the form $x+yj$, where $j^2=+1$
• A 2-tuple, or ordered list of two elements, denoted $(a,b)$
• Double (manifold)
• Double (Java), a type of variable which supports decimals or fractions 5 3/4 / 5.250 / 5 while integers only support full numbers

Food and drink

• Doubles (food), a sandwich that is a common street food in Trinidad and Tobago
• Doppio, a double shot of espresso
• Dubbel, a strong Belgian Trappist beer or, more generally, a strong brown ale
• A drink order of two shots of hard liquor in one glass
• A "double decker", a hamburger with two patties in a single bun

Sports

• Double (association football), the act of a winning a division and primary cup competition in the same season
• Double (baseball), a two-base hit in baseball
  • The Double (Seattle Mariners), a specific instance of the above that occurred during the 1995 Major League Baseball season
• Double, a snooker shot where the player tries to pot a ball via one cushion
• Double (cricket), the feat of scoring a thousand first-class runs and taking a hundred first-class wickets in a single season
• Double (volleyball)
• Double (basketball)
• The Double (Gaelic games), the act of winning the All-Ireland Senior Football Championship and the All-Ireland Senior Hurling Championship in the same year
• Double Duty (auto racing), in auto racing, the act of a driver attempting to race in two races on the same day during the United States Memorial Day weekend

Film and television

• The Double (1963 film), a 1963 British thriller film
• The Double (1971 film), a 1971 Italian film
• The Double (2011 film), a 2011 spy thriller film
• The Double (2013 film), a 2013 film based on the Dostoevsky novella
• Kamen Rider Double (character), the protagonist in a Japanese television series of the same name

Games

• Double, action in games whereby a competitor raises the stakes. For use
  • double, in contract bridge
  • Doubling cube, in backgammon
• Double, villain in the video game Mega Man X4
• The Nintendo GameCube video game Mario Kart: Double Dash‼
• An arcade action game Double Dragon

Music

• Double album, audio album spanning two units of the primary medium in which it is sold, typically records and CDs
• Doubling (voicing), a kind of musical voicing
• Double variation, a variation form in music
• Pasodoble, 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 (2010)
• The Double Violin Concerto (Bach) in D minor, BWV 1043, commonly referred to as "The Double" among violinists
• Dobble, a Ghanaian musical act that is sometimes also known as Double

Literature

• The Double (Dostoyevsky novel), an 1846 novella by Fyodor Dostoevsky
• The Double (Saramago novel), a 2002 novel by José Saramago
• The Doubles, a novella by E. T. A. Hoffmann

Places

• Double Lake, a lake in Minnesota

See also

• Binary (disambiguation)
• Doubles (disambiguation)
• Doubling (disambiguation)
• Duplication (disambiguation)
• Double letter
• Single (disambiguation)