Equivalence Definition

ĭ-kwĭvə-ləns
noun
The condition of being equivalent; equality of quantity, value, force, meaning, etc.
Webster's New World
Equality of combining capacity; the principle that different weights of different substances are equivalent in chemical reactions.
Webster's New World
An equivalence relation.
American Heritage
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.
American Heritage

(chemistry) The 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.

Wiktionary
verb
Wiktionary

Other Word Forms of Equivalence

Noun

Singular:
equivalence
Plural:
equivalences

Origin of Equivalence

  • From French équivalence

    From Wiktionary

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equivalence