Definition of coefficient
1 : any of the factors of a product considered in relation to a specific factor; especially : a constant factor of a term as distinguished from a variable
2a : a number that serves as a measure of some property or characteristic (as of a substance, device, or process) coefficient of expansion of a metalb : measure
Examples of coefficient in a Sentence
5 is the coefficient of y in the term 5y.
the metal's coefficient of expansion
Recent Examples of coefficient from the Web
The city's Gini coefficient -- an index from 0 to 1 that measures inequality, with higher scores indicating a more unequal society -- has risen from 0.525 in 2001, to 0.539 in 2016, the highest since records began almost five decades ago.
These countries also have a much lower Gini coefficient (a measure of inequality) than the United States.
An analysis of the 120-day correlation between WTI crude oil and European high yield credit shows that the coefficient has been steadily declining over the past year.
Underbody covers, an aerodynamic rear bumper bottom spoiler and an extended trunk edge contribute to a low coefficient of drag.
Rescued Morelia from relegation to the second division, which in Mexico is determined by a three-year coefficient, and sent Chiapas packing instead.
Built 70 years ago and still in use, the tunnel is where the engineers’ models for fighter jets, missiles and jumbo airliners were tested for coefficient of drag.
This is because the coefficient of thermal expansion for water is positive.
Tolerating someone else’s is harder by a coefficient of 10.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'coefficient.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of coefficient
New Latin coefficient-, coefficiens, from Latin co- + efficient-, efficiens efficient
First Known Use: circa 1715See Words from the same year
COEFFICIENT Defined for English Language Learners
Definition of coefficient for English Language Learners
mathematics : a number by which another number or symbol is multiplied
physics : a number that is used to measure some property or characteristic of a substance
Medical Definition of coefficient
: a number that serves as a measure of some property (as of a substance) or characteristic (as of a device or process) and that is commonly used as a factor in computations the coefficient of expansion of a metal—see absorption coefficient
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