# equation

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## e·qua·tion

(ĭ-kwā′zhən, -shən)*n.*

**1.**The act or process of equating or of being equated.

**2.**The state of being equal.

**3.**

*Mathematics*A statement asserting the equality of two expressions, usually written as a linear array of symbols that are separated into left and right sides and joined by an equal sign.

**4.**

*Chemistry*A representation of a chemical reaction, usually written as a linear array in which the symbols and quantities of the reactants are separated from those of the products by an arrow or a set of opposing arrows.

**5.**A complex of variable elements or factors: "The world was full of equations ... there must be an answer for everything, if only you knew how to set forth the questions" (Anne Tyler).

**e·qua′tion·al**

*adj.*

**e·qua′tion·al·ly**

*adv.*

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

## equation

(ɪˈkweɪʒən; -ʃən)*n*

**1.**(Mathematics) 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)

**2.**the act of regarding as equal; equating

**3.**the act of making equal or balanced; equalization

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

**5.**the state of being equal, equivalent, or equally balanced

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

**7.**(Chemistry) See chemical equation

**eˈquational**

*adj*

**eˈquationally**

*adv*

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

## e•qua•tion

(ɪˈkweɪ ʒən, -ʃən)*n.*

**1.**the act of equating or making equal.

**2.**the state of being equated or equal.

**3.**equally balanced state; equilibrium.

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

**5.**a symbolic representation in chemistry showing the kind and amount of the starting materials and products of a reaction.

[1350–1400; Middle English < Latin]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

## e·qua·tion

(ĭ-kwā′zhən)**1.**

*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.

**2.**

*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, NaOH + HCl = NaCl + H

_{2}O is an equation.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonyms

**Legend:**Switch to new thesaurus

Noun | 1. | equation - a mathematical statement that two expressions are equalmath, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement regression equation, regression of y on x - the equation representing the relation between selected values of one variable (x) and observed values of the other (y); it permits the prediction of the most probable values of y linear equation - a polynomial equation of the first degree quadratic, quadratic equation - an equation in which the highest power of an unknown quantity is a square biquadratic equation, biquadratic - an equation of the fourth degree differential equation - an equation containing differentials of a function simultaneous equations - a set of equations in two or more variables for which there are values that can satisfy all the equations simultaneously mathematical statement - a statement of a mathematical relation exponential equation - an equation involving exponential functions of a variable |

2. | equation - a state of being essentially equal or equivalent; equally balanced; "on a par with the best"status, position - the relative position or standing of things or especially persons in a society; "he had the status of a minor"; "the novel attained the status of a classic"; "atheists do not enjoy a favorable position in American life" egalite, egality - social and political equality; "egality represents an extreme leveling of society" tie - equality of score in a contest | |

3. | equation - the act of regarding as equal |

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

## equation

*noun*equating, match, agreement, balancing, pairing, comparison, parallel, equality, correspondence, likeness, equivalence, equalization the equation between higher spending and higher taxes

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

## equation

*noun*

The state of being equivalent:

The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Translations

مُعادَلة

**مُعادَلَه****rovnice**

**ligning**

**regnestykke**

**yhtälö**

**jednadžba**

**egyenlet**

**kiegyenlítés**

**jafna**

**efnajafna**

**等しくすること**

**방정식**

**rovnica**

**enačba**

**ekvation**

**สมการ**

**phương trình**

## equation

[ɪˈkweɪʒ*ə*n]

*N*

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

## equation

*n*(Math,

*fig*) → Gleichung

*f*; the

**equation**of religion and morality → die Gleichsetzung von Religion mit Moralität; to balance the

**equation**between work and leisure → Arbeit und Freizeit ins rechte Gleichgewicht bringen; that doesn’t even enter the

**equation**→ das steht doch überhaupt nicht zur Debatte

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

## equate

(iˈkweit)*verb*

to regard as the same in some way. He equates money with happiness.

**eˈquation**(-ʒən)

*noun*

**1.**a statement that two things are equal or the same.

__xy+xy=2xy__is an equation.

**2.**a formula expressing the action of certain substances on others.

__2H2 + O2 = 2 H2O__is an equation.

Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

## equation

→ مُعادَلة rovnice ligning Gleichung εξίσωση ecuación yhtälö équation jednadžba equazione 等しくすること 방정식 vergelijking likning równanie equação равенство ekvation สมการ eşitlik phương trình 等式Multilingual Translator © HarperCollins Publishers 2009

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