Billiard

From Wikipedia, the free encyclopedia

Billiard (as a noun, adjective or verb) may refer to:

• A type of shot in cue sports (such as pool, carom billiards and snooker)
• The long scale name for the number 10¹⁵ in mathematics (called "quadrillion" in short scale)
• A dynamical system of particle trajectories within a closed reflective boundary, in theoretical physics

Billiards (as a noun or adjective) may refer to:

• Cue sports in general, including pool, carom billiards, snooker, etc.
• Carom billiards games in general (a chiefly non-English usage, in the US, the British Commonwealth, etc.)
• The specific game of English billiards (a chiefly English usage)
• Pool games (such as eight-ball and nine-ball) in general (a chiefly colloquial American usage)
• Dynamical billiards, the mathematical theory of particle trajectories within a closed reflective boundary, in theoretical physics