Word.ws English Dictionary

Plural of equation

regular plural

The plural of equation is equations.

Forms of equation

Singularequation /ɪˈkweɪ.ʒən/
Pluralequations
Countablecountable

Equations in a sentence

  • The notion of flow is basic to the study of ordinary differential equations.From the entry flow
  • For equations normalized with Planck units, the quantities of mass and energy become numerically identical, revealing their true nature as mass-energy.From the entry mass-energy
  • In this case, therefore, the linearoid system of invariant differential equations is merely the linearoid transform of a linear system.From the entry linearoid
  • There are different ways of analysing equations and I prefer to look at elements involved as often either fixed or control variables.From the entry control variable
  • Topics studied in computational number theory include algorithms for primality testing and integer factorisation, finding solutions to Diophantine equations and explicit methods in arithmetic geometry.From the entry computational number theory

Meaning of equation

  1. noun The act or process of equating two or more things, or the state of those things being equal (that is, identical).
  2. noun 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. noun A small correction to observed values to remove the effects of systematic errors in an observation.

Full definition of equation

Questions about the plural of equation

What is the plural of equation?
The plural of equation is equations.
Is equation countable?
Equation is a countable noun.

Source and license

Adapted from Wiktionary: equation (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of equation.” Word.ws, https://word.ws/plural/equation. Based on Wiktionary, CC BY-SA 4.0.