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Definition of "disjunction" [dis•junc•tion]

  • The act of disjoining or the condition of being disjointed. (noun)
  • Logic A proposition that presents two or more alternative terms, with the assertion that only one is true. (noun)
  • Logic A proposition that presents two or more alternative terms, with the assertion that at least one is true. (noun)
  • Genetics The separation of homologous chromosomes during meiosis. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "disjunction" in a sentence
  • "But nowadays the term disjunction is more often used in reference to sentences (or well-formed formulae) of associated form occurring in formal languages."
  • "This study demonstrates a violation of the rule in a context that justifies the label disjunction fallacy."
  • "And my heart with the fires of disjunction is fried:"