Definition of disjunction in English:

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Pronunciation: /ˌdisˈjəNG(k)SH(ə)n/


1A lack of correspondence or consistency: there is a disjunction between the skills taught in education and those demanded in the labor market
More example sentences
  • He is also concerned with cultural loss, the disjunction between Aboriginal and European ways, and the hardships of life on Aboriginal settlements.
  • And there are several factors at work, but one of the most important, and one of the ones that has the most bearing, I think, in Australia, is the disjunction between what's happening in the economy and what's happening in society.
  • Equally important has been the disjunction between the nation and the state in India, in sharp contrast with the western nation states during the origin of political democracy.
2 Logic The relationship between two distinct alternatives.
Example sentences
  • For degrees of truth, disjunction is a truth function.
  • Thus, classically, disjunction is semantically interpreted as a binary truth-function from the set of pairs of truth-values to the set { 0, 1 }.
  • This applies, first and foremost, to the logical terminology: connectives such as negation, conjunction, disjunction, and if - then, and quantifiers like there is and for all.
2.1A statement expressing the relationship between two distinct alternatives (especially one using the word “or”).
Example sentences
  • In a statement of the form, the two statements joined together, and, are called the disjuncts, and the whole statement is called a disjunction.
  • Thus, he does not recognize sentential compounds, such as conjunctions and disjunctions, as single assertions.
  • A predicate is exclusively disjunctive if and only it is equivalent to a disjunction of disjoint predicates.


Late Middle English: from Latin disjunctio(n-), from disjungere 'disjoin' (see disjunct).

For editors and proofreaders

Syllabification: dis·junc·tion

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