collision collision /kəˈlɪʒən/

noun

1. () (physics) a brief event in which two or more bodies come together  ( hit , collision )
   (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
   the collision of the particles resulted in an exchange of energy and a change of direction
   
2. A conflict of opposed ideas, attitudes or goals  ( collision )
   a conflict of opposed ideas, attitudes or goals
    A collision of interests
   a collision of interests
   
3. An accident resulting from violent impact of a moving object  ( collision )
   an accident resulting from violent impact of a moving object
    Three passengers were killed in the collision
   three passengers were killed in the collision
    The collision of the two ships resulted in a serious oil spill
   the collision of the two ships resulted in a serious oil spill