Standard Lemma guide

disjunction

noun · 7 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.

  • UK: /dɪsˈdʒʌŋk(t)ʃən/
  • UK: /dɪsˈdʒʊŋk(t)ʃən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -ʌŋkʃən

1

noun

Meaning 1

The act of disjoining; disunion, separation.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The state of being disjoined, contrasting, or opposing.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • the disjunction expressed by disjunctive conjunctions, such as but or or

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The proposition resulting from the combination of two or more propositions using the or operator.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: human-sciences, logic, mathematics, philosophy, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A logical operator that results in “true” when any of its operands are true.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

During meiosis, the separation of chromosomes (homologous in meiosis I, and sister chromatids in meiosis II).

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: biology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

the act of breaking a connection

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: disconnection

Antonyms: none provided

Broader terms: separation

7

noun

Meaning 7

state of being disconnected

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: disjuncture, disconnection, disconnectedness

Antonyms: none provided

Broader terms: separation

Narrower terms: separability, incoherence, incoherency

History

Etymology

From Old French disjunction, from Latin disiunctiō.

Across languages

Translations

25 source translations are retained for this English entry.

  • Catalan: disjunció — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Chinese Mandarin: 析取 (xīqǔ) — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Czech: disjunkce — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Danish: disjunktion — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Finnish: disjunktio — logic: proposition resulting from the combination of two or more propositions using the or operator
  • French: disjonction — logic: proposition resulting from the combination of two or more propositions using the or operator
  • German: Disjunktion — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Greek: διάζευξη (diázefxi) — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Hungarian: diszjunkció — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Hungarian: VAGY-művelet — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Icelandic: eðun — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Japanese: 選言命題 (sengen meidai) — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Kazakh: дизъюнкция (dizünksiä) — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Norwegian Bokmål: disjunksjon — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Occitan: disjoncion — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Occitan: disjonccion — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Polish: alternatywa — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Portuguese: disjunção — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Romanian: disjuncție — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Russian: дизъю́нкция (dizʺjúnkcija) — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Serbo-Croatian: дисјункција (disjunkcija) — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Serbo-Croatian: disjunkcija — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Slovene: disjunkcija — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Spanish: disyunción — logic: proposition resulting from the combination of two or more propositions using the or operator
  • Ukrainian: диз'ю́нкція (dyzʺjúnkcija) — logic: proposition resulting from the combination of two or more propositions using the or operator