efficiency

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Etymology

Latin efficientia

Noun

efficiency (countable and uncountable; plural efficiencies)

1. The extent to which time is well used for the intended task.

   The efficiency of the planning department is deplorable.

   • 2012 September 7, Phil McNulty, “Moldova 0-5 England”, BBC Sport:

     The display and result must be placed in the context that was it was against a side that looked every bit their Fifa world ranking of 141 - but England completed the job with efficiency to record their biggest away win in 19 years.

2. (dated) The quality of producing an effect or effects.
   • Hooker

     The manner of this divine efficiency being far above us.

3. The extent to which a resource, such as electricity, is used for the intended purpose; the ratio of useful work to energy expended.

   The efficiency of this loudspeaker is 40%.

4. A one-room apartment.

   I have an efficiency available June through July.

   fully-furnished efficiencies

Antonyms

• inefficiency
• wastefulness

Derived terms

• energy efficiency
• material efficiency
• fuel efficiency
• efficiency ratio
• business efficiency
• quantum efficiency
• electrical efficiency
• thermal efficiency
• algorithmic efficiency
• Pareto efficiency
• allocative efficiency

Related terms

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

Synonyms

• effectiveness

Translations

extent to which time is well used

• Bulgarian: ефективност (bg) (efektivnost) f
• Chinese:

  Mandarin: 效率 (cmn) (xiàolǜ), 效能 (cmn) (xiàonéng)

• Czech: efektivita (cs) f
• Dutch: efficiëntie (nl) f

• Finnish: tehokkuus (fi)
• Nepali: sashakta (ne)
• Russian: эффективность (ru) (effektívnost') f
• Slovak: efektívnosť (sk) f
• Swedish: effektivitet (sv) c

extent to which a resource is used for the intended purpose

• Bulgarian: производителност (bg) (proizvoditelnost) f
• Chinese:

  Mandarin: 效率 (cmn) (xiàolǜ), 效能 (cmn) (xiàonéng)

• Czech: účinnost (cs) f
• Dutch: rendement (nl) n

• Finnish: hyötysuhde (fi)
• French: rendement (fr)
• Polish: sprawność (pl) f
• Russian: эффективность (ru) (effektívnost') f
• Swedish: verkningsgrad (sv) c

one-room apartment

• Finnish: yksiö (fi)

• Swedish: enrummare (sv) c, etta (sv) c, övernattningsrum (sv) n

The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Help:How to check translations.

Translations to be checked

• Arabic: كفاءة
• Serbo-Croatian: učinkòvitōst (sh), djelotvórnōst (sh) f, ȅfikasnōst (sh) f
• French: rendement (fr)
• German: Effizienz (de)

• Italian: efficienza (it)
• Kurdish:

  Sorani: لێهاتووی (ku) (léhatuí), کارایی (ku) (karayí)

• Portuguese: eficiência
• Spanish: eficiencia (es) f
• Turkish: Verimlilik