单词 | efficiency |
释义 | efficiency /i fish"euhn see/, n. , pl. efficiencies. 1. the state or quality of being efficient; competency in performance. 2. accomplishment of or ability to accomplish a job with a minimum expenditure of time and effort: The assembly line increased industry's efficiency. 3. the ratio of the work done or energy developed by a machine, engine, etc., to the energy supplied to it, usually expressed as a percentage. 4. See efficiency apartment. [1585-95; < L efficientia, equiv. to efficient- (see EFFICIENT) + -ia -Y3] |
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