Meaning of “collision” in the English Dictionary

"collision" in American English

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collisionnoun [ C ]

us /kəˈlɪʒ·ən/

the violent coming together of two or more moving objects, such as vehicles:

The collision involved a pickup truck and a car .

(Definition of “collision” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"collision" in Business English

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collisionnoun [ C or U ]

uk /kəˈlɪʒən/ us

INSURANCE an accident in which two vehicles hit each other:

Injuries from rear-end collisions were down, which could mean more than $45 million saved on accident damage per year.
collision damage
be on a collision course

if two or more people or groups are on a collision course, they are doing or saying things which will cause a disagreement or problems between them:

The House and the Senate are again on a collision course over transportation.

(Definition of “collision” from the Cambridge Business English Dictionary © Cambridge University Press)