Dictionary
Thesaurus
Encyclopedia
Translator
Web
Related Searches
Synonyms
Nearby Words

equivalence

 - 3 dictionary results

e⋅quiv⋅a⋅lence

  [i-kwiv-uh-luhns or, for 3, ee-kwuh-vey-luhns]
Use equivalence in a Sentence
–noun
1. the state or fact of being equivalent; equality in value, force, significance, etc.
2. an instance of this; an equivalent.
3. Chemistry. the quality of having equal valence.
4. Logic, Mathematics.
a. Also called material implication. the relation between two propositions such that the second is not false when the first is true.
b. Also called material equivalence. the relation between two propositions such that they are either both true or both false.
c. the relation between two propositions such that each logically implies the other.
–adjective
5. (of a logical or mathematical relationship) reflexive, symmetrical, and transitive.
Also, equivalency (for defs. 1, 2).

Origin:
1535–45; < MF < ML aequivalentia, equiv. to L aequivalent- equivalent + -ia -ia; see -ence
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To equivalence
e·quiv·a·lence   (ĭ-kwĭv'ə-ləns)   
n.  

  1. The state or condition of being equivalent; equality.

  2. Mathematics An equivalence relation.

  3. Logic The relationship that holds for two propositions that are either both true or both false, so that the affirmation of one and the denial of the other results in contradiction.

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

Main Entry: equiv·a·lence
Pronunciation: i-'kwiv(-&)-l&n(t)s
Function: noun
: the state or property of being equivalent
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Cite This Source
Search another word or see equivalence on Thesaurus | Reference
FacebookTwitterFollow us:
Partner Sites:
Ask AnswersEviteExpediaHotelsHotwireLife123LiveDailyMy Way