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equivalence

Other forms: equivalences

If you were having trouble choosing between chocolate cake and an ice cream sundae because you love both equally, you might say these two treats have an equivalence.

The noun equivalence describes the state of being equal, and it can be used any time things are basically interchangeable. If you came down with a stomach bug and there were three different medicines your doctor could prescribe — any one of them being likely to cure you — they would have an equivalence. In math, the word equivalence comes up a lot, and it's always represented by an equal sign.

Definitions of equivalence
  1. noun
    essential equality and interchangeability
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    Antonyms:
    nonequivalence
    not interchangeable
    types:
    parity
    functional equality
    type of:
    equality
    the quality of being the same in quantity or measure or value or status
  2. noun
    a state of being essentially equal or equivalent; equally balanced
    synonyms: equality, equation, par
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    types:
    egalite, egality
    social and political equality
    tie
    equality of score in a contest
    deuce
    a tie in tennis or table tennis that requires winning two successive points to win the game
    type of:
    position, status
    the relative position or standing of things or especially persons in a society
  3. noun
    qualities that are comparable
    synonyms: comparability, compare, comparison
    see moresee less
    type of:
    alikeness, likeness, similitude
    similarity in appearance or character or nature between persons or things
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DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘equivalence'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
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