# equation

the act of equating or making equal; equalization: the symbolic equation of darkness with death.

equally balanced state; equilibrium.

Mathematics. an expression or a proposition, often algebraic, asserting the equality of two quantities.

Also called chemical equation .Chemistry. a symbolic representation showing the kind and amount of the starting materials and products of a reaction.

## Origin of equation

^{1}

## Other words from equation

- non·e·qua·tion, noun

## Words Nearby equation

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

## How to use equation in a sentence

The right-hand side of the equations describes the contents of the universe — anything that has mass and energy.

In other words, machines that augment or supersede organic biology and change the

*equation*limiting the scope of how, where, and when “genetic” information can be shared and transferred.How Life Could Continue to Evolve - Issue 88: Love & Sex | Caleb Scharf | August 12, 2020 | NautilusThe scientists took this curve and developed a new mathematical

*equation*to calculate a dog’s age.To figure out your dog’s ‘real’ age, you’ll need a calculator | Bethany Brookshire | August 12, 2020 | Science News For StudentsWhatever the reason, once these individuals become infected and are removed from the

*equation*through death or immunity, the effect on the pandemic is outsized.Population immunity is slowing down the pandemic in parts of the US | David Rotman | August 11, 2020 | MIT Technology ReviewThe equations of general relativity let them evolve independently, and, crucially, you can flatten the universe by changing either.

Perhaps, like Hawking searching for his elegant

*equation*, filmmakers will never find the answer.But vibrant industry requires solid infrastructure, which is where the Chinese government enters the

*equation*.Until that

*equation*tips, individual Republicans may break ranks on gay rights, but the party remains a countercultural bastion.“We want to take out those biases, those prejudices, out of the

*equation*, to remove those barriers,” says Halfteck.How the Hiring Process Marginalizes Candidates on the Autism Spectrum | Joshua Rivera | May 23, 2014 | THE DAILY BEASTSadly, the “small room” part of that

*equation*seems to have been a one-time thing.Beck’s Musical Time Machine: This Wasn’t a Concert. It was a Spectacular Party. | Andrew Romano | April 18, 2014 | THE DAILY BEASTNow the trouble with the main proposition just quoted is that each side of the

*equation*is used as the measure of the other.The Unsolved Riddle of Social Justice | Stephen LeacockIn other words, it is a truism, mere

*equation*in terms, telling nothing whatever.The Unsolved Riddle of Social Justice | Stephen LeacockThe fundamental

*equation*of the economist, then, is that the value of everything is proportionate to its cost.The Unsolved Riddle of Social Justice | Stephen LeacockWe are ourselves a term in the

*equation*, a note of the chord, and make discord or harmony almost at will.The Pocket R.L.S. | Robert Louis StevensonInserting these values in our general

*equation*and calculating the result, we obtain 18.1E6 as the value of the constant.The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2. | Julius Stieglitz

## British Dictionary definitions for equation

/ (ɪˈkweɪʒən, -ʃən) /

a mathematical statement that two expressions are equal: it is either an identity in which the variables can assume any value, or a conditional equation in which the variables have only certain values (roots)

the act of regarding as equal; equating

the act of making equal or balanced; equalization

a situation, esp one regarded as having a number of conflicting elements: what you want doesn't come into the equation

the state of being equal, equivalent, or equally balanced

a situation or problem in which a number of factors need to be considered

astronomy See personal equation

## Derived forms of equation

- equational, adjective
- equationally, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Scientific definitions for equation

[ ĭ-kwā′zhən ]

Mathematics A written statement indicating the equality of two expressions. It consists of a sequence of symbols that is split into left and right sides joined by an equal sign. For example, 2 + 3 + 5 = 10 is an equation.

Chemistry A written representation of a chemical reaction, in which the symbols and amounts of the reactants are separated from those of the products by an equal sign, arrow, or a set of opposing arrows. For example, Ca(OH)2 + H2SO4 = CaSO4 + 2H2O, is an equation.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

## Cultural definitions for equation

An expression of equality between two formulas in mathematics. The two formulas are written with an equal sign between them: 2 + 2 = 4 is an equation, as is E = mc2.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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