English Explanatory Dictionary

efficiency

English dictionary entry

Meanings

noun
  1. The extent to which a resource is used for the intended purpose.
  2. The ratio of useful work to energy expended. Often given the symbol η.
  3. The extent to which time is well used for the intended task.
  4. The quality of producing an effect or effects.
  5. A one-room apartment.

Pronunciation

/ɪˈfɪʃ.ən.si/ [ɪˈfɪʃn̩si] /ɪˈfɪʃ.ɪn.si/ en-us-efficiency.ogg

Word forms

efficiency efficiencies

Etymology

From Latin efficientia, equivalent to efficient + -cy.

Synonyms

efficiency apartment studio apartment bedsit

Antonyms

inefficiency wastefulness

Related words

effect effective effectiveness effectivity effector effectual effectuate efficacious efficacity efficacy efficient efficiently

Derived words

coefficiency cost efficiency ecoefficiency efficiency engineer efficiency ratio equiefficiency high-efficiency low-efficiency nonefficiency photoefficiency superefficiency

Translations

Azerbaijani: səmərə Bulgarian: производителност Catalan: rendiment Chinese Mandarin: 效率 Chinese Mandarin: 效能 Czech: účinnost Dutch: rendement Finnish: hyötysuhde French: rendement German: Effizienz German: Leistungsfähigkeit German: Wirksamkeit Hungarian: hatásfok Italian: efficienza Japanese: 効率性 Japanese: 効率 Latin: efficientia Malay: kecekapan Malay: keefisienan Malay: efisiensi Polish: sprawność Portuguese: eficiência Russian: эффекти́вность Swedish: verkningsgrad Tagalog: katalban Tagalog: katalaban Thai: ประสิทธิภาพ Turkish: verimlilik Uzbek: samaradorlik
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