Meaning of “coefficient” in the English Dictionary

(Definition of “coefficient” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"coefficient" in American English

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coefficientnoun [ C ]

us /ˌkoʊ·ɪˈfɪʃ·ənt/

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)

"coefficient" in Business English

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coefficientnoun [ C ]

uk /ˌkəʊɪˈfɪʃənt/ us

in mathematics, a value that appears in front of and multiplies another value:

In 2x + 4y = 7, 2 is the coefficient of x.

a number or a method of calculating a number that measures the characteristics of a process, event, material, etc.:

The calculation is based on a measure of inequality in disposable income called the Gini coefficient.
The coefficient of diversification measures the extent to which a stock portfolio has been diversified.

(Definition of “coefficient” from the Cambridge Business English Dictionary © Cambridge University Press)