Definition of "collision" [col•li•sion]
- (noun) The act or process of colliding; a crash or conflict.
- (noun) Physics A brief dynamic event consisting of the close approach of two or more particles, such as atoms, resulting in an abrupt change of momentum or exchange of energy.
Use "collision" in a sentence
- "For many observers, this California collision is the de facto NBA Finals."
- "Washington subway train collision kills at least one person"