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disjunction

UK /dɪsˈdʒʌŋk(t)ʃən/noun

disjunction is spelled D-I-S-J-U-N-C-T-I-O-N: 11 letters. It appears about once in every 6 million words in written English, the 74,980th most frequent word form (wordfreq, 2021 data). As a noun, disjunction means “The act of disjoining; disunion, separation” (English Wiktionary, September 2026). The plural of disjunction is disjunctions.

How many letters and syllables are in disjunction?

Letters11: D-I-S-J-U-N-C-T-I-O-N
In writingabout once in every 6 million words; the 74,980th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is disjunction?

Disjunction appears about once in every 6 million words in written English, the 74,980th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce disjunction?

  • UK /dɪsˈdʒʌŋk(t)ʃən/
  • UK /dɪsˈdʒʊŋk(t)ʃən/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-disjunction.wav, Wikimedia Commons (author and licence on each file's page).

Forms of disjunction

  • disjunctions plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does disjunction mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    The act of disjoining; disunion, separation.

  2. 2

    The state of being disjoined, contrasting, or opposing.

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

  3. 3

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

  4. 4

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

  5. 5

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

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Disjunction in Spanish, French, German and Portuguese

In the sense logic: proposition resulting from the combination of two or more propositions us:

LanguageWords
Frenchdisjonction
GermanDisjunktion
Portuguesedisjunção
Spanishdisyunción

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does disjunction come from?

From Old French disjunction, from Latin disiunctiō.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

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