Standard Lemma guide

dissociation

noun · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /dɪˌsəʊʃiˈeɪʃən/
  • General-American: /dɪˌsoʊsiˈeɪʃən/
  • General-American: /dɪˌsoʊʃiˈeɪʃən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪʃən
  • CMU ARPABET: D IH0 S OW2 S IY0 EY1 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The act of dissociating or disuniting; a state of separation; disunion.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: disassociation

Antonyms: none provided

2

noun

Meaning 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.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, natural-sciences, physical-sciences

Examples

  • the dissociation of the sulphur molecules
  • the dissociation of ammonium chloride into hydrochloric acid and ammonia

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A defence mechanism where certain thoughts or mental processes are compartmentalised in order to avoid emotional stress to the conscious mind.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: human-sciences, psychology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

the act of removing from association

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: separation

5

noun

Meaning 5

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

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: chemical process, chemical change, chemical action

6

noun

Meaning 6

a state in which some integrated part of a person's life becomes separated from the rest of the personality and functions independently

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: disassociation

Antonyms: none provided

Broader terms: psychological state, psychological condition, mental state, mental condition

Narrower terms: compartmentalization, compartmentalisation, dissociative disorder

History

Etymology

Borrowed from French dissociation, from Latin dissociātiō(n).

Across languages

Translations

50 source translations are retained for this English entry.

  • Bulgarian: разделяне (razdeljane) — act of dissociating
  • Bulgarian: разединение (razedinenie) — act of dissociating
  • Dutch: dissociatie — act of dissociating
  • Dutch: scheiding — act of dissociating
  • Finnish: hajoaminen — act of dissociating
  • Finnish: dissosiaatio — act of dissociating
  • Hungarian: elkülönítés — act of dissociating
  • Hungarian: elkülönülés — act of dissociating
  • Irish: díchaidreamh — act of dissociating
  • Italian: dissociazione — act of dissociating
  • Macedonian: разделу́вање (razdelúvanje) — act of dissociating
  • Macedonian: разедину́вање (razedinúvanje) — act of dissociating
  • Persian: گسستگی (gosastegi) — act of dissociating
  • Polish: rozkład — act of dissociating
  • Portuguese: dissociação — act of dissociating
  • Romanian: disociere — act of dissociating
  • Romanian: disocieri — act of dissociating
  • Russian: разобще́ние (razobščénije) — act of dissociating
  • Russian: отмежева́ние (otmeževánije) — act of dissociating
  • Russian: размежева́ние (razmeževánije) — act of dissociating
  • Hungarian: elkülönültség — state of separation
  • Russian: разобщённость (razobščónnostʹ) — state of separation
  • Russian: отмежёванность (otmežóvannostʹ) — state of separation
  • Russian: размежёванность (razmežóvannostʹ) — state of separation
  • Bulgarian: разлагане (razlagane) — chemistry: process of breaking up
  • Bulgarian: дисоциация (disociacija) — chemistry: process of breaking up
  • Dutch: dissociatie — chemistry: process of breaking up
  • Finnish: dissosiaatio — chemistry: process of breaking up
  • Hindi: वियोजन (viyojan) — chemistry: process of breaking up
  • Hungarian: disszociáció — chemistry: process of breaking up
  • Irish: díthiomsú — chemistry: process of breaking up
  • Irish: díthiomsúchán — chemistry: process of breaking up
  • Italian: dissociazione — chemistry: process of breaking up
  • Macedonian: распа́ѓање (raspáǵanje) — chemistry: process of breaking up
  • Macedonian: дисоција́ција (disocijácija) — chemistry: process of breaking up
  • Macedonian: ра́спад (ráspad) — chemistry: process of breaking up
  • Persian: تفکیک (tafkik) — chemistry: process of breaking up
  • Persian: جداسازی (jodâsâzi) — chemistry: process of breaking up
  • Polish: dysocjacja — chemistry: process of breaking up
  • Romanian: disociere — chemistry: process of breaking up
  • Bulgarian: дисоциа́ция (disociácija) — defence mechanism
  • Chinese Mandarin: 解離 /解离 (jiělí) — defence mechanism
  • Finnish: dissosiaatio — defence mechanism
  • Hungarian: disszociáció — defence mechanism
  • Italian: dissociazione — defence mechanism
  • Macedonian: дисоција́ција (disocijácija) — defence mechanism
  • Polish: dysocjacja — defence mechanism
  • Portuguese: dissociação — defence mechanism
  • Russian: диссоциа́ция (dissociácija) — defence mechanism
  • Spanish: disociación — defence mechanism
Real reading context

dissociation in complete knowledge articles