different between disjoin vs disjunction

English

Etymology

From Middle English disjoynen, from Old French desjoindre, from Latin disiungere (“to separate”), from dis-, di- (“apart”) + iungere (“to join”).

Pronunciation

• (UK) IPA^(key): /d?s?d???n/
• Rhymes: -??n

Verb

disjoin (third-person singular simple present disjoins, present participle disjoining, simple past and past participle disjoined)

1. (transitive) To separate; to disunite.
   • 1708, Joseph Addison, The Present State of the War, and the Necessity of an Augmentation

     Never let us lay down our arms against France, till we have utterly disjoined her from the Spanish monarchy.

   • 1790, Thomas Pennant, Account Of London

     Windmill Street consisted of disjoined houses.

2. (intransitive) To become separated.

Related terms

Translations

Further reading

• disjoin in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• disjoin in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• disjoin at OneLook Dictionary Search

English

Etymology

From Old French disjunction, from Latin disjunctio

Pronunciation

• (UK) IPA^(key): /d?s?d???k(t)??n/, /d?s?d???k(t)??n/

  Rhymes: -??k??n

Noun

disjunction (countable and uncountable, plural disjunctions)

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

Hypernyms

• (in mathematics): logical connective

Hyponyms

• (in logic): inclusive disjunction
• (in logic): exclusive disjunction

Meronyms

• (in logic): disjunct

Coordinate terms

• (in mathematics): conjunction

Derived terms

• disjunctive normal form

Related terms

• disjoin
• disjoint
• disjunct
• disjunctive

Translations

See also

• conjunction

References

• "Disjunction" in the Stanford Encyclopedia of Philosophy
• "Disjunction" in Wolfram MathWorld
• disjunction at OneLook Dictionary Search