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 (dĭ-sō′sē-ā′shən, -shē-)
1. The act of dissociating or the condition of having been dissociated.
2. Chemistry
a. The process by which the action of a solvent or a change in physical condition, as in pressure or temperature, causes a molecule to split into simpler groups of atoms, single atoms, or ions.
b. The separation of an electrolyte into ions of opposite charge.
3. Psychiatry A disintegration or fragmentation of the mind in which memories, thoughts, or aspects of the personality become disconnected, as in multiple personality disorder or some kinds of amnesia.

dis·so′ci·a′tive (-ə-tĭv) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.dissociative - tending to produce dissociation
divisible - capable of being or liable to be divided or separated; "even numbers are divisible by two"; "the Americans fought a bloody war to prove that their nation is not divisible"
References in periodicals archive ?
There is rumored to be a powerful drug made from Tetrodotoxin, an immensely poisonous compound derived from the puffer fish, combined with a dissociative drug called Datura, itself also a natural product.
It's called a dissociative drug because of the sense of detachment it produces in users.
This odorless, tasteless powder is a dissociative drug that can cause amnesia, depression, and learning problems.