# collision

Pronunciation: US say "kuh-LIZH-uhn" /kəˈlɪʒən/; UK

## Noun

1. An occurrence of two or more things striking or crashing into each other.
   - Simple: An event where two moving things crash into each other.
   - _The collision crumpled the front of both vehicles._
   - _Investigators examined the collision to determine which driver was at fault._
2. An event in which two or more bodies exert forces on each other over a relatively short time, without necessarily making physical contact.
   - Simple: An event where two objects push hard on each other for a short time, even without touching.
   - _Physicists calculate how much energy a collision transfers between particles._
   - _Even a near miss counts as a collision when the two bodies deflect each other._
3. Short for collision detection. — Clipping of collision detection; tangibility.
   - Simple: Short for collision detection. It means the game rule that stops objects from passing through each other.
   - _The level shipped with broken collision, letting players clip into the terrain._
   - _Developers spent days fixing the collision on the staircase model._
4. Short for naming collision. — Clipping of naming collision.
   - Simple: Short for naming collision. It means two things in code accidentally share the same name.
   - _Importing both libraries caused a collision between their identically named classes._
   - _The build failed because of a collision in the global namespace._

## Origin

This word came through Middle French collision from Late Latin collīsiō, which goes back to the Latin verb collīdere (past participle collīsus), meaning "to dash together"; it is related to collide.

Source: DictionaryAI, https://dictionaryai.com/define/collision (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).