equivalence

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Australia, Canada, US, UK/ɪˈkwɪv.ə.ləns/New Zealand/əˈkwəv.ə.ləns/

noun

The condition of being equivalent or essentially equal: the status of being interchangeable.

“His answer and yours share equivalence.”

Less commonScrabble 25

Meanings

nounequivalence (countable and uncountable, plural equivalences)

plural equivalences · alternative obsolete æquivalence

  1. uncountableThe condition of being equivalent or essentially equal: the status of being interchangeable.

    His answer and yours share equivalence.

    1 more example

    Cow's milk and soy milk have a lot of differences, but their equivalence is sufficient for this recipe.

    Synonyms: equatedness, equivalency, equality, parity, sameness, comparability, correlation, parallelism · Antonyms: inequation, inequivalence

    1. countableAn act of equating two things; an assertion of equivalence.

      I disagree with his equivalence of his behavior with that of an overexcited teenager.

      Synonyms: equatedness, equivalency, equality, parity, sameness, comparability, correlation, parallelism · Antonyms: inequation, inequivalence

  2. uncountablehuman sciencesThe relationship between two propositions that are either both true or both false.
  3. countablemathematicsAn equivalence relation; ≡; ~.
  4. countableuncountablemathematicsA Boolean operation that is TRUE when both input variables are TRUE or both input variables are FALSE, but otherwise FALSE; the XNOR function.
  5. countableuncountablegeometryA number in intersection theory. A positive-dimensional variety sometimes behaves formally as if it were a finite number of points; this number is its equivalence.
  6. countableuncountablechemistryThe quantity of the combining power of an atom, expressed in hydrogen units; the number of hydrogen atoms can combine with, or be exchanged for; valency.
  7. countableuncountableentertainmentThe state of two notes being separated by one octave or the similarity of two such notes.
  8. countableuncountablehuman sciencesThe degree to which a term or text in one language is semantically similar to its translated counterpart.

    Equivalence is important, but when translating poetry, you need to get across the feel and the emotion more than the exact semantic meaning.

  9. countableuncountablehuman sciencesThe principle that one long syllable is equal to two short ones.
verbequivalence (third-person singular simple present equivalences, present participle equivalencing, simple past and past participle equivalenced)

present singular third person equivalences · participle present equivalencing · participle past equivalenced · past equivalenced · alternative obsolete æquivalence

  1. transitiveTo be equivalent or equal to; to counterbalance.

    […] whether the transgression of Eve seducing, did not exceed that of Adam seduced, or whether the resistibility of his reason did not equivalence the facility of her seduction, we shall referre it unto the Schoolman.

    1646, Thomas Browne, Pseudodoxia Epidemica, London: Edw. Dod & Nath. Ekins, published 1650, Book I, p. 25
    1 more example

    […] every one being struck with wonder at the vertue and patience of the sufferers, began to think that worthy the enquiring into, which men thought so much better worth then their lives; and these reflections converted more then the best verball expressions, to such auditors, as thought life not to be equivalenced by any compensation.

    1647, Tobie Matthew, A Missive of Consolation sent from Flanders, to the Catholikes of England, Louvain, page 53

Synonyms & antonyms

nounThe condition of being equivalent or essentially equal: the status of being interchangeable.

More synonyms by meaning

nouna state of being essentially equal or equivalent; equally balanced

nounessential equality and interchangeability

Broader

nounqualities that are comparable

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Medieval Latinaequivalentia
  2. Frenchéquivalence
  3. Englishequivalence

From French équivalence, from Medieval Latin aequivalentia.

Full word history & related roots →

Translations

Bulgarian тъждество, равностойност
  • тъждество (tăždestvo)equivalence relation
  • равностойност (ravnostojnost)condition of being equivalent
Catalan equivalència
  • equivalènciacondition of being equivalent
Chinese Mandarin 對等 /对等, 對應 /对应
  • 對等 /对等 (duìděng)degree to which a term or text is similar
  • 對應 /对应 (duìyìng)degree to which a term or text is similar
Czech ekvivalence
  • ekvivalencerelationship between two propositions
Dutch gelijkwaardigheid
  • gelijkwaardigheidcondition of being equivalent
Estonian samasus
  • samasuscondition of being equivalent
Finnish ekvivalenssi, ekvivalenssi
  • ekvivalenssirelationship between two propositions
  • ekvivalenssiequivalence relation
  • samaBoolean operation
  • ekvivalenssinumber in intersection theory
  • ekvivalenssidegree to which a term or text is similar
  • yhtäläisyyscondition of being equivalent
French équivalence, équivalence
  • équivalencerelationship between two propositions
  • équivalenceequivalence relation
  • équivalencecondition of being equivalent
German Äquivalenz, Äquivalenz
  • Äquivalenzrelationship between two propositions
  • Äquivalenzequivalence relation
  • Gleichwertigkeitcondition of being equivalent
Greek ισοδυναμία
  • ισοδυναμία (isodynamía)relationship between two propositions
Hindi समानार्थकता, पर्यायत्व
  • समानार्थकता (samānārthaktā)degree to which a term or text is similar
  • पर्यायत्व (paryāyatva)degree to which a term or text is similar
  • तुल्यता (tulyatā)condition of being equivalent
Hungarian egyenértékűség
  • egyenértékűségcondition of being equivalent
Latvian līdzvērtība
  • līdzvērtībacondition of being equivalent
Lithuanian ekvivalentiškùmas, tapatùmas
  • ekvivalentiškùmasequivalence relation
  • tapatùmasequivalence relation
  • ekvivalentiškùmascondition of being equivalent
Malay persamaan
  • persamaancondition of being equivalent
Polish równoważność
  • równoważnośćcondition of being equivalent
Portuguese equivalência
  • equivalênciacondition of being equivalent
Russian эквивалентность, тождество
  • эквивалентность (ekvivalentnostʹ)relationship between two propositions
  • тождество (toždestvo)equivalence relation
  • эквивалентность (ekvivalentnostʹ)condition of being equivalent
Spanish equivalencia
  • equivalenciacondition of being equivalent
Swedish ekvivalens, ekvivalens
  • ekvivalensrelationship between two propositions
  • ekvivalensequivalence relation
  • ekvivalenscondition of being equivalent
  • likvärdighetcondition of being equivalent
Cite this entry
APA

equivalence. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/equivalence

MLA

“equivalence.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/equivalence. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “equivalence,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/equivalence.

Source: equivalence on Wiktionary, CC BY-SA 4.0.