#collision  an accident resulting from violent impact of a moving object; "three passengers were killed in the collision"; "the collision of the two ships resulted in a serious oil spill"
  supertype:  accident  a mishap; especially one causing injury or death
  subtype:  fender-bender  a collision between motor vehicles that produces minor damage
  subtype:  pileup  multiple collisions of vehicles
  subtype:  smash-up__smashup__smash  a serious collision (especially of motor vehicles)

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