AskDefine | Define dissociation

Dictionary Definition



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: disassociation]
3 (chemistry) the temporary or reversible process in which a molecule or ion is broken down into smaller molecules or ions

User Contributed Dictionary



  • /ˈdɪˌsəʊʃɪieɪʃǝn /"dI%s@USi:eIS@n/ a UK
  • Rhymes with: -eɪʃǝn


  1. The act of dissociating or disuniting; a state of separation; disunion.
  2. The process by which a compound body breaks up into simpler constituents; said particularly of the action of heat on gaseous or volatile substances.
    the dissociation of the sulphur molecules
    the dissociation of ammonium chloride into hydrochloric acid and ammonia
rfex transform into real sentences
  1. A defence mechanism where certain thoughts or mental processes are compartmentalised in order to avoid emotional stress to the conscious mind.


act of dissociating
  • Dutch: dissociatie, scheiding
  • Italian: dissociazione
chemistry: process of breaking up
  • Dutch: dissociatie
  • Italian: dissociazione
  • Italian: dissociazione

Extensive Definition

Dissociation has different meanings in different sciences.
dissociation in German: Dissoziation
dissociation in French: Dissociation
dissociation in Italian: Dissociazione
dissociation in Dutch: Dissociatie
dissociation in Japanese: 解離
dissociation in Polish: Dysocjacja
dissociation in Slovak: Disociácia
dissociation in Serbian: Дисоцијација
dissociation in Finnish: Dissosiaatio
dissociation in Swedish: Dissociation

Synonyms, Antonyms and Related Words

alienation, alpha decay, alternating personality, atom-chipping, atom-smashing, atomic disintegration, atomic reaction, atomization, autism, autistic thinking, avoidance mechanism, beta decay, blame-shifting, bombardment, breeding, bullet, catalysis, catalyst, chain reaction, cleavage, compensation, decay, decompensation, defense mechanism, depersonalization, dereism, dereistic thinking, dialysis, disassociation, disconnection, discreteness, disintegration series, disjunction, disjuncture, displacement, dissociation of personality, double personality, dual personality, emotional dissociation, emotional insulation, escape, escape into fantasy, escape mechanism, escapism, exchange reaction, fantasizing, fantasy, fission, fission reaction, flight, gamma decay, hydrolysis, hydrolyst, immateriality, impertinence, inapplicability, inappositeness, inconnection, inconsequence, independence, ionization, irrelation, irrelevance, isolation, mental dissociation, multiple personality, negativism, neutron reaction, nonreversible reaction, nuclear fission, nucleization, overcompensation, paranoia, paranoid personality, personality disorganization, photodisintegration, photolysis, projection, proton gun, proton reaction, psychotaxis, rationalization, resistance, reversible reaction, schizoid personality, schizoidism, schizophrenia, schizothymia, separateness, sociological adjustive reactions, split personality, splitting, splitting the atom, stimulation, sublimation, substitution, target, thermolysis, thermonuclear reaction, unconnectedness, unrelatedness, wish-fulfillment fantasy, wishful thinking, withdrawal
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