From Middle French collision, from Late Latin collīsiō, from Latin collīdere, past participle collīsus ("to dash together"); see collide.

• IPA: /kəˈlɪʒən/

collision

1. An instance of colliding.
   • 1994, Stephen Fry, chapter 2, in The Hippopotamus:

     At the very moment he cried out, David realised that what he had run into was only the Christmas tree. Disgusted with himself at such cowardice, he spat a needle from his mouth, stepped back from the tree and listened. There were no sounds of any movement upstairs: no shouts, no sleepy grumbles, only a gentle tinkle from the decorations as the tree had recovered from the collision.

2. (physics) Any event in which two or more bodies exert forces on each other in a relatively short time. In a collision, physical contact of two bodies is not necessary.
3. (compilation) Clipping of naming collision
4. (computing, chiefly video games) Clipping of collision detection; tangibility.

• collide

• French: collision
• German: Zusammenstoß, Kollision
• Italian: collisione
• Portuguese: colisão
• Russian: столкнове́ние
• Spanish: colisión