collision: Meaning and Definition of

col•li•sion

Pronunciation: (ku-lizh'un), [key]
— n.
  1. the act of colliding; a coming violently into contact; crash: the collision of two airplanes.
  2. a clash; conflict: a collision of purposes.
  3. the meeting of particles or of bodies in which each exerts a force upon the other, causing the exchange of energy or momentum.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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