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[ih-kwiv-uh-luh n-see] /ɪˈkwɪv ə lən si/
noun, plural equivalencies.
equivalence (defs 1, 2).
1525-35; < Medieval Latin aequivalentia. See equivalent, -ency
Related forms
nonequivalency, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for equivalency
  • Phony, sleight of hand false equivalency right there.
  • It offers a false and pernicious equivalency, as if race were no more than incidental to the struggle.
  • In the education building, inmates studied for their high-school equivalency examinations and college degrees.
  • His first order of business was to get his high school equivalency diploma.
  • equivalency application instructions are listed below.
  • As you select an equivalency, the page will automatically refresh showing the calculation for the selected equivalency.
  • All inquires about applying for process equivalency should be directed to the appropriate permitting authority.
British Dictionary definitions for equivalency


the state of being equivalent or interchangeable
(maths, logic)
  1. the relationship between two statements, each of which implies the other
  2. Also called biconditional. the binary truth-function that takes the value true when both component sentences are true or when both are false, corresponding to English if and only if. Symbol: ≡ or ↔, as in –(pq) ≡ –p ∨ –q


(chem) the state of having equal valencies
Derived Forms
equivalent, adjective
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
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Encyclopedia Article for equivalency

in classical prosody, the principle that one long syllable is equal to two short ones. The principle is used as the basis for substitution in quantitative verse.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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