Focus on the pronunciation of collision
English definition of “collision”
collision noun [C or U]
› 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.