coefficient

coefficient
    n 1: a constant number that serves as a measure of some property
         or characteristic
    

Coefficient \Co`ef*fi"cient\, a.
   Cooperating; acting together to produce an effect.
   {Co`ef*fi"cient*ly}, adv.
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Coefficient \Co`ef*fi"cient\, n.
   1. That which unites in action with something else to produce
      the same effect.
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   2. [Cf. F. coefficient.] (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.
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   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.
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   {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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40 Moby Thesaurus words for "coefficient":
      coacting, coactive, coadjutant, coadjuvant, collaborative,
      collective, collectivist, collectivistic, collusive, combined,
      commensal, common, communal, communalist, communalistic, communist,
      communistic, communitarian, concerted, concordant, concurrent,
      concurring, conjoint, conniving, cooperant, cooperating,
      cooperative, ecumenic, fellow, harmonious, harmonized, joint,
      mutual, noncompetitive, reciprocal, symbiotic, synergetic,
      synergic, synergistic, uncompetitive