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equations

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Equations
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e⋅qua⋅tion

  [i-kwey-zhuhn, -shuhn]
Use equations in a Sentence
–noun
1. the act of equating or making equal; equalization: the symbolic equation of darkness with death.
2. equally balanced state; equilibrium.
3. Mathematics. an expression or a proposition, often algebraic, asserting the equality of two quantities.
4. Chemistry. a symbolic representation showing the kind and amount of the starting materials and products of a reaction.
Origin:
1350–1400; ME < L aequātiōn- (s. of aequātiō) an equalizing. See equate, -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Equations
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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 equal sign, 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.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

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 American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: equa·tion
Pronunciation: i-'kwA-zh&n also -sh&n
Function: noun
: an expression representing a chemical reactionquantitatively by means of chemical symbols
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

equation e·qua·tion (ĭ-kwā'zhən, -shən)
n.

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

  2. 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 equal sign, an arrow, or a set of opposing arrows.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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