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单词 disjunction
释义

disjunction

[ dis-juhngk-shuhn ]
/ dɪsˈdʒʌŋk ʃən /
SEE SYNONYMS FOR disjunction ON THESAURUS.COM

noun

the act of disjoining or the state of being disjoined: a disjunction between thought and action.
Logic.
  1. Also called disjunctive, inclusive disjunction. a compound proposition that is true if and only if at least one of a number of alternatives is true.
  2. Also called exclusive disjunction. a compound proposition that is true if and only if one and only one of a number of alternatives is true.
  3. the relation among the components of such a proposition, usually expressed by AND or V.

Origin of disjunction

1350–1400; Middle English disjunccioun<Latin disjunctiōn- (stem of disjunctiō) separation, equivalent to disjunct(us) (see disjunct) + -iōn--ion

Words nearby disjunction

disjoin, disjoined, disjoint, disjointed, disjunct, disjunction, disjunctive, disjuncture, disjune, disk, disk brake
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for disjunction

British Dictionary definitions for disjunction

disjunction
/ (dɪsˈdʒʌŋkʃən) /

noun

Also called: disjuncture the act of disconnecting or the state of being disconnected; separation
cytology the separation of the chromosomes of each homologous pair during the anaphase of meiosis
logic
  1. the operator that forms a compound sentence from two given sentences and corresponds to the English or
  2. a sentence so formed. Usually written pq where p, q are the component sentences, it is true (inclusive sense) whenever either or both of the latter are true; the exclusive disjunction, for which there is no symbol, is true when either but not both disjuncts is
  3. the relation between such sentences
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for disjunction

disjunction
[ dĭs-jŭngkshən ]

n.

The separation of homologous chromosomes during meiosis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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