# Double

(Redirected from The Double (novel))

Double may refer to:

## 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 ${\displaystyle x+yj}$, where ${\displaystyle j^{2}=+1}$
• A 2-tuple, or ordered list of two elements, denoted ${\displaystyle (a,b)}$
• Double (manifold)
• Double (Java), a type of variable which supports decimals (such as 5.01, 0.75, -5.250), whereas integers only support whole 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