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equation

nouncommon in dialogue

  • United Kingdom//ɪˈkweɪ.ʒən//
  • United Kingdom//-ʃən//
  • Canada//ɪˈkweɪ.ʒən//
  • Australia//ɪˈkwæɪ.ʒən//

The act or process of equating two or more things, or the state of those things being equal (that is, identical).

noun

  1. 1

    The act or process of equating two or more things, or the state of those things being equal (that is, identical).

    We need to bring the balance of power into equation

    The cultural equation of love with suffering is similar to the equation of love with an experience of both transcendence and consummation in which love is affirmed in an ostentatious display of self loss.

  2. 2

    An assertion that two expressions are equal, expressed by writing the two expressions separated by an equal sign; in mathematical problems, equations describe various essential aspects of the problem, each of which contributes to the resolution of the problem in part.

  3. 3

    A small correction to observed values to remove the effects of systematic errors in an observation.

Etymology

From Old French, from Latin aequātiō (“an equalizing”). Morphologically equate + -ion

Forms

plural
equations
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).