n 1: the act of removing from association 2: a state in which some integrated part of a person's life becomes separated from the rest of the personality and functions independently [syn: dissociation, disassociation] 3: (chemistry) the temporary or reversible process in which a molecule or ion is broken down into smaller molecules or ions
nounDate: 1611 1. the act or process of dissociating ; the state of being dissociated: as a. the process by which a chemical combination breaks up into simpler constituents; especially one that results from the action of energy (as heat) on a gas or of a solvent on a dissolved substance b. the separation of whole segments of the personality (as in multiple personality disorder) or of discrete mental processes (as in the schizophrenias) from the mainstream of consciousness or of behavior 2. the property inherent in some biological stocks (as of certain bacteria) of differentiating into two or more distinct and relatively permanent strains; also such a strain • dissociativeadjective
Dissociation 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.