- 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
You're referring to the necessity for a coefficient of discharge.Houlihan's Equation
"Clear it ov its coefficient, and we'll thry," says the Pope.Stories of Comedy
The coefficient of rolling friction of a railroad train on a track is 0.009.
The rate of expansion per degree is called the Coefficient of Expansion.
This might be termed the Recognition, the other the Perception, coefficient.Studies in Logical Theory
- 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
C17: from New Latin coefficiēns, from Latin co- together + efficere to effect
Word Origin and History for coefficient
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.
- 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.