collision
Nouns
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(n) (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
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(n) 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
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(n) a conflict of opposed ideas or attitudes or goals
- a collision of interests