Definition

Noun: A solid, hard ball specifically designed for use in the game of billiards. Billiard balls are typically made from materials like phenolic resin and are characterized by their smooth surface, precise weight, and uniform size, which allow for accurate rolling and striking on a billiard table.

Usage

The term "billiard ball" refers to the essential playing object in cue sports such as pool, snooker, and carom billiards. It is used when discussing the equipment, the action of the game, or the balls' physical properties. - He carefully chalked his cue before striking the billiard ball. - The set includes fifteen object billiard balls and one cue ball. - The physics of a billiard ball collision is a classic example of momentum transfer.

Advanced Usage

• As a metaphorical or conceptual object: In physics, mathematics, or systems theory, "billiard ball" is often used to model idealized collisions or predictable, kinetic interactions.
  • In Newtonian mechanics, particles are sometimes treated as idealized billiard balls.
• In compound nouns describing types: While "billiard ball" itself is the core term, it forms the basis for specific names.
  • The cue ball is the white billiard ball struck by the player's cue.

Variants and Related Words

• Cue ball: The white billiard ball struck by the cue.
• Object ball: Any billiard ball other than the cue ball that is the target of a shot.
• Snooker ball: A type of billiard ball used specifically in the game of snooker, slightly smaller than American pool balls.
• Pool ball: A common synonym for a billiard ball used in the game of pool.

Synonyms

• Pool ball (specifically for the game of pool)
• Snooker ball (specifically for the game of snooker)
• Carom ball (specifically for carom billiards)

Related Phrases and Collocations

• To pocket a billiard ball: To successfully shoot a ball into a table pocket.
• Billiard ball rack: The triangular frame used to arrange the balls at the start of a game.
• Billiard ball set: A complete collection of balls for a particular billiards game.

Noun

1. ball used in playing billiards