# coefficient

[ koh-uh-fish-uh nt ]

/ ˌkoʊ əˈfɪʃ ənt /

### noun

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.

### adjective

acting in consort; cooperating.

## RELATED WORDS

## Nearby words

## Origin of coefficient

Related formsco·ef·fi·cient·ly, adverb

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## Examples from the Web for coefficient

## British Dictionary definitions for coefficient

## coefficient

/ (ˌkəʊɪˈfɪʃənt) /

### noun

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

## 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

## coefficient

also co-efficient, c.1600, from co- + efficient. Probably influenced by Modern Latin coefficiens, which was used in mathematics in 16c., introduced by French mathematician François Viète (1540-1603). As an adjective from 1660s.

Online Etymology Dictionary, © 2010 Douglas Harper

## Medicine definitions for coefficient

## coefficient

[ kō′ə-fĭsh′ənt ]

### n.

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.

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

## Science definitions for coefficient

## 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.

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