plural of collision bulkhead

(physics) A collision in which kinetic energy is conserved.

A course or path between two or more objects which, if continued at the current rate, will result in a collision.

Used other than figuratively or idiomatically: see on, a, collision course.

plural of collision attack

(cryptography) An attack on a cryptographic hash function that is able to find a hash collision (a pair of different inputs that have the same hash) faster than by brute force.

plural of collision theory

(physics) A high-energy nuclear reaction in which two nuclei overlap and exchange energy and nucleons