Billiard

Billiard or billiards may refer to:

Games

• A billiard, a type of shot in cue sports (see below)
• Billiards: cue sports in general, including pool, carom billiards, snooker, etc.; the term "billiards" by itself is also sometimes used to refer to any of the following more specifically:

• Carom billiards (also known as French billiards) games in general (a chiefly non-British usage)

• Three-cushion billiards even more specifically, the most popular form of carom billiards worldwide (the most common specific usage)

• The specific game of English billiards (a chiefly British, Irish and Australian usage)
• Pool (pocket billiards) games, such as eight-ball and nine-ball, in general (a chiefly colloquial North American usage)

• Electric billiards, an obsolete term for pinball (from billard électrique in French, in which pinball is today called flipper, a borrowing from English)

Mathematics and physics

• Billiard, the long-scale name used in most European languages (chiefly French, Spanish, German and Dutch) for the number 10¹⁵ in mathematics (called "quadrillion" in the short scale generally used in English).
• Dynamical billiards, the mathematical theory of particle trajectories within a closed reflective boundary, in theoretical physics (contrast this mass noun with the count noun "dynamical billiard", below).

• A dynamical billiard, any of several systems of particle trajectories within a closed reflective boundary.

People

• Harry Billiard (1883–1923), Major League Baseball pitcher
• Bobbi Billiard, an American glamour and swimwear model
• Maria Duchêne-Billiard (1884-?), French contralto of the Metropolitan Opera
• Cora Billiard Wickham Sibley (née Billiard, 1884–1976), American painter, and wife of Robert Pelton Sibley

See also

• List of cue sports for various other games with "billiards" in their names (pin billiards, etc.)
• Billiards World Cup Association, a governing body for carom billiards