Definition of coefficient noun from the Oxford Advanced American Dictionary

     

    coefficient

     noun
    noun
    NAmE//ˌkoʊəˈfɪʃnt//
     
     
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  1. 1(mathematics) a number that is placed before another quantity and that multiplies it, for example 3 in the quantity 3x
  2. 2(physics) a number that measures a particular property (= characteristic) of a substance the coefficient of friction
See the Oxford Advanced Learner's Dictionary entry: coefficient