equation

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noun equa·tion \i-ˈkwā-zhən also -shən\

Definition of equation

  1. 1a :  the act or process of equatingb (1) :  an element affecting a process :  factor (2) :  a complex of variable factorsc :  a state of being equated; specifically :  a state of close association or identification bring governmental enterprises and payment for them into immediate equation — R. G. Tugwell

  2. 2a :  a usually formal statement of the equality or equivalence of mathematical or logical expressionsb :  an expression representing a chemical reaction quantitatively by means of chemical symbols

Examples of equation in a Sentence

  1. the equation of material wealth with happiness

Recent Examples of equation from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'equation'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

14th Century

First Known Use of equation

14th century

Other Mathematics and Statistics Terms



EQUATION Defined for English Language Learners

equation

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noun

Definition of equation for English Language Learners

  • mathematics : a statement that two expressions are equal (such as 8 + 3 = 11 or 2x – 3 = 7)

  • : a complicated situation or issue

  • : the act of regarding two things as the same : the act of equating things


EQUATION Defined for Kids

equation

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noun equa·tion \i-ˈkwā-zhən\

Definition of equation for Students

  1. 1 :  a statement of the equality of two mathematical expressions

  2. 2 :  an expression representing a chemical reaction by means of chemical symbols


Medical Dictionary

equation

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noun equa·tion \i-ˈkwā-zhən also -shən\

Medical Definition of equation

  1. :  an expression representing a chemical reaction quantitatively by means of chemical symbols



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the point at which something begins

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