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 co·ef·fi·cient /ˌkoəˈfɪʃənt/
 係數

 co·ef·fi·cient /ˌkoəˈfɪʃənt/ 名詞
 係數

 coefficient
 係數 COEFF

 coefficient
 係數

 Co·ef·fi·cient a. Cooperating; acting together to produce an effect.
 Co*ef*fi*cient*ly, adv.

 Co·ef·fi·cient, n.
 1. That which unites in action with something else to produce the same effect.
 2.  Math. A number or letter put before a letter or quantity, known or unknown, to show how many times the latter is to be taken; as, 6x; bx; here 6 and b are coefficients of x.
 3. Physics A number, commonly used in computation as a factor, expressing the amount of some change or effect under certain fixed conditions as to temperature, length, volume, etc.; as, the coefficient of expansion; the coefficient of friction.
 Arbitrary coefficient Math., a literal coefficient placed arbitrarily in an algebraic expression, the value of the coefficient being afterwards determined by the conditions of the problem.
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 coefficient
      n : a constant number that serves as a measure of some property
          or characteristic