noun ·Common ·High school level

Definitions

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"

2. 2
   the act of regarding as equal wordnet
3. 3
   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.
4. 4
   a mathematical statement that two expressions are equal wordnet
5. 5
   A small correction to observed values to remove the effects of systematic errors in an observation.

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6. 6
   a state of being essentially equal or equivalent; equally balanced wordnet

Synonyms

All synonyms

equalityaccommodationaddendadditionadjustmentantilogarithm

Antonyms

All antonyms

inequation

Example

More examples

"The boy solved the simultaneous equation with ease."

Etymology

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

Related phrases

Airy equationArrhenius equationBellman equationBernoulli's equationBoltzmann equationCartesian equationCassie equationCauchy-Riemann equationChazy equationDiophantine equationDirac equationDrake equation

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.