billiard

billiard (plural billiards)

1. A shot in billiards or snooker in which the cue ball strikes two other balls; a carom.
2. (attributive) Pertaining to the game of billiards.

   a billiard table; a billiard ball

3. A dynamical system in which a particle alternates between motion in a straight line and specular reflections from a boundary.

billiard (plural billiards)

1. (Britain, rare) 10¹⁵, a thousand billions (long scale) or a million milliards.

• Previous: billion. Next: trillion.
• Symbolic: 10¹⁵ = 1,000,000,000,000,000

• IPA^(key): /bi.ljaʁ/

billiard

1. 10¹⁵, a thousand billion by the long scale, a short scale quadrillion.

• Previous: billion, 10¹²
• Next: trillion, 10¹⁸