|1.||[ noun ] (physics) an 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"
|Related terms:||contact physics collide|
|2.||[ noun ] the act of colliding with something|
"his crash through the window" "the fullback's smash into the defensive line"
|Related terms:||hit impingement crash|
|3.||[ noun ] a conflict of opposed ideas or attitudes or goals|
"a collision of interests"
|Related terms:||dispute clash|
|4.||[ noun ] 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"
|Related terms:||accident fender-bender pileup smash collide|