# disjunction

> English word · Noun · IPA /dɪsˈdʒʌŋk(t)ʃən/ · frequency rank #74,900

## Definitions
1. The act of disjoining; disunion, separation.
2. The state of being disjoined, contrasting, or opposing.
3. The proposition resulting from the combination of two or more propositions using the or operator.
4. A logical operator that results in “true” when any of its operands are true.
5. During meiosis, the separation of chromosomes (homologous in meiosis I, and sister chromatids in meiosis II).

## Etymology
From Old French disjunction, from Latin disiunctiō.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/disjunction