# 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.

- acting in consort; cooperating.

## Origin of coefficient^{}

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

## Examples from the Web for coefficient

### Historical Examples

#### 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

## Word Origin

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.

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.

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