(Mathematics)a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4xy) (数)系数(例如4xy中的4)
(Physics)a multiplier or factor that measures some property (物理)率;系数 coefficients of elasticity. 弹性系数。 the drag coefficient. 阻力系数。
语源
mid 17th cent. (in the sense 'cooperating to produce a result'): from modern Latin coefficient-, from com- 'together' + efficient- 'accomplishing' (see efficient)