plural of collision

plural of head-on collision

(transport) A collision where the front ends of two vehicles (such as ships, trains, cars, planes, etc.) hit each other, as opposed to a side-collision or rear-end collision.

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

(chemistry) Any theory that relates collisions among particles to reaction rate; reaction rate depends on such factors as concentration, surface area, temperature, stirring, and the presence of either a catalyst or an inhibitor.

(physics) Of or pertaining to collisions (especially between particles)

With respect to collisions

plural of collision detection

(computing, chiefly video games) The process or mechanism of determining whether two shapes are partially occupying the same space.

(computing) The situation where two or more inputs to a hash function produce identical output.