# coefficient

[koh-uh-fish-uh nt]

- Mathematics. a number or quantity placed (generally) before and multiplying another quantity, as 3 in the expression 3x.
- Physics. a number that is constant for a given substance, body, or process under certain specified conditions, serving as a measure of one of its properties: coefficient of friction.

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- acting in consort; cooperating.

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## Origin of coefficient

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Related Words for coefficient

harmonious, collegial, symbiotic, interdependent, united, concerted, reciprocal, collateral, coeval, belonging, joint, fellow, complementary, incident, contemporary, satellite, attending, corollary, coordinate, attendant## Examples from the Web for coefficient

### Historical Examples of coefficient

You're referring to the necessity for a coefficient of discharge.

Houlihan's EquationWalt Sheldon

"Clear it ov its coefficient, and we'll thry," says the Pope.

Stories of ComedyVarious

The coefficient of rolling friction of a railroad train on a track is 0.009.

PhysicsWillis Eugene Tower

The rate of expansion per degree is called the Coefficient of Expansion.

PhysicsWillis Eugene Tower

This might be termed the Recognition, the other the Perception, coefficient.

Studies in Logical TheoryJohn Dewey

## coefficient

- maths
- a numerical or constant factor in an algebraic termthe coefficient of the term 3xyz is 3
- the product of all the factors of a term excluding one or more specified variablesthe coefficient of x in 3axyz is 3ayz

- physics a value that relates one physical quantity to another

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## Word Origin for coefficient

C17: from New Latin coefficiēns, from Latin co- together + efficere to effect

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

## Word Origin and History for coefficient

Online Etymology Dictionary, © 2010 Douglas Harper

## coefficient

(kō′ə-fĭsh′ənt)- The mathematical expression of the amount or degree of any quality possessed by a substance, or of the degree of physical or chemical change normally occurring in that substance under stated conditions.

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

## coefficient

[kō′ə-fĭsh′ənt]

- A number or symbol multiplied with a variable or an unknown quantity in an algebraic term. For example, 4 is the coefficient in the term 4x, and x is the coefficient in x(a + b).
- A numerical measure of a physical or chemical property that is constant for a system under specified conditions. The speed of light in a vacuum, for example, is a constant.

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