单词 | efficiency |
释义 | efficiency/ɪˈfɪʃ(ə)nsi /noun (plural efficiencies) [mass noun] 1The state or quality of being efficient: greater energy efficiency...
Synonyms organization, order, orderliness, planning, regulation, logicality, coherence, productivity, effectiveness, cost-effectiveness competence, capability, ability, proficiency, adeptness, deftness, expertise, professionalism, skilfulness, skill, effectiveness, productivity, organization 1.1 [count noun] An action designed to achieve efficiency: the reforms will lead to efficiencies and savings...
1.2 [count noun] technical The ratio of the useful work performed by a machine or in a process to the total energy expended or heat taken in: the boiler has an efficiency of 45 per cent...
OriginLate 16th century (in the sense 'the fact of being an efficient cause'): from Latin efficientia, from efficere 'accomplish' (see effect). Rhymes |
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