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disjunction

 - 4 dictionary results

dis⋅junc⋅tion

  [dis-juhngk-shuhn]
Use disjunction in a Sentence
–noun
1. the act of disjoining or the state of being disjoined: a disjunction between thought and action.
2. Logic.
a. 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.
b. 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.
c. the relation among the components of such a proposition, usually expressed by AND or V.
Origin:
1350–1400; ME disjunccioun < L disjunctiōn- (s. of disjunctiō) separation, equiv. to disjunct(us) (see disjunct ) + -iōn- -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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dis·junc·tion   (dĭs-jŭngk'shən)   
n.  

  1. The act of disjoining or the condition of being disjointed.

  2. Logic

    1. A proposition that presents two or more alternative terms, with the assertion that only one is true.

    2. A proposition that presents two or more alternative terms, with the assertion that at least one is true.

  3. Genetics The separation of homologous chromosomes during meiosis.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: dis·junc·tion
Pronunciation: dis-'j&[ng](k)-sh&n
Function: noun
: the separation of chromosomes or chromatids duringanaphase of mitosis or meiosis
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

disjunction dis·junc·tion (dĭs-jŭngk'shən)
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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