Col-lĭs'ion, n.

noun

(kol-lĭzh'un), n. [Lat. collisio. See COLLIDE.] 1. The act of striking together; a striking together, as of two hard bodies; a clashing. The flint and the steel you may move apart as long as you please, but it is the hitting and collision of them that must make them strike fire. Bentley. 2. A state of opposition; interference. “The learned obscurity arising from the collision of contrary false principles.” Warburton. “Sensitive to the most trifling collision.” W. Irving. Syn.—Conflict; clashing; encounter; opposition.