› mathematics a number or symbol that is written in front of and multiplies another number or symbol › chemistry A coefficient is also a number that is used to measure the characteristics of a substance. coefficient of friction physics › The coefficient of friction is a measure of how easily one object slides across the surface of another, calculated by the force that is being used and the amount of friction.

(Definition of coefficient from the Cambridge Academic Content Dictionary
© Cambridge University Press)

What is the pronunciation of coefficient?
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