Definition of equation
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
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
the equation of material wealth with happiness
Recent Examples of equation from the Web

But US diplomats have sought to bring them into the equation.

The renovations at Wrigley have helped with the need factor in the equation.

Trump’s election has changed the equation, however.

With Gaza as part of the equation, Jews and Arabs have a roughly equal share of the Holy Land population.

To help sort through all these equations, THR consulted with deans, teachers, students, actors and other insiders to put together this year's list of the top 25 drama schools.

The result will be an immeasurable amount of human suffering, but the other side of the equation is easy to calculate: The President of the United States simply does not care.

Luckily, my friend and I have such a good friendship that jealousy never entered the equation.

The NBA’s system muddies that equation with the lottery, but having a worse record remains better for teams trying to improve their chances of getting a top pick.
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 MerriamWebster 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
playDefinition 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
playDefinition of equation for Students
1 : a statement of the equality of two mathematical expressions
2 : an expression representing a chemical reaction by means of chemical symbols
Medical Dictionary
equation
playMedical Definition of equation
: an expression representing a chemical reaction quantitatively by means of chemical symbols
Learn More about equation

See words that rhyme with equation Spanish Central: Translation of equation Nglish: Translation of equation for Spanish speakers Britannica English: Translation of equation for Arabic speakers Britannica.com: Encyclopedia article about equation
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