Meaning of COEFFICIENT in English

COEFFICIENT

/ ˌkəʊɪˈfɪʃnt; NAmE ˌkoʊ-/ noun

1.

( mathematics ) a number which is placed before another quantity and which multiplies it, for example 3 in the quantity 3x

2.

( physics ) a number that measures a particular property (= characteristic) of a substance :

the coefficient of friction

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WORD ORIGIN

mid 17th cent. (in the sense cooperating to produce a result ): from modern Latin coefficient- , from com- together + efficient- accomplishing.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.