collision
//kəˈlɪʒ.ən//
Noun
collisionSingular
collisionsPlural
1
An instance of one moving object or person striking violently against another.
The collision between the two cars caused a traffic jam.
2
A conflict or clash between opposing ideas, interests, or factions.
There was a collision of opinions between the two departments.
3
(computing) A situation in which two or more data items have the same identifier or hash value.
The hash table experienced a collision when two keys produced the same hash value.