(software compilation) An error caused by two source code elements (such as variables or functions) having the same name as each other.

plural of collision course

plural of collision theory

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

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

(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 attack

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