collision

Noun

• a conflict of opposed ideas or attitudes or goals
  • a collision of interests
    

• 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
    

• (physics) a brief event in which two or more bodies come together
  • the collision of the particles resulted in an exchange of energy and a change of direction