Dis‐so′ci‐a″tion (?; 106), n. [L. dissociatio: cf. F. dissociation.] 1. The act of dissociating or disuniting; a state of separation; disunion.
It will add infinitely dissociation, distraction, and confusion of these confederate republics. Burke.
2. (Chem.) The process by which a compound body breaks up into simpler constituents; — said particularly of the action of heat on gaseous or volatile substances; as, the dissociation of the sulphur molecules; the dissociation of ammonium chloride into hydrochloric acid and ammonia.