efficiency

English

Etymology

From Latin efficientia.

Pronunciation

• IPA^(key): /ɪˈfɪʃ.ən.si/, [ɪˈfɪʃn̩si], /ɪˈfɪʃ.ɪn.si/

  • Audio (Southern California):

    (file)

Noun

efficiency (countable and uncountable, plural efficiencies)

1. The extent to which a resource is used for the intended purpose.

   Antonyms: inefficiency, wastefulness

   1. (engineering, physics) The ratio of useful work to energy expended. Often given the symbol η.

      The efficiency of this loudspeaker is 40%.

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

      The efficiency of the planning department is deplorable.

      • 1951 October, H. A. Vallance, “Across Denmark by Lyntog”, in Railway Magazine, page 658:

        Even at the busiest periods, an air of quiet orderliness pervades the hall, and the first impression gained by the traveller is one of efficiency, neatness and cleanliness.

      • 2012 September 7, Phil McNulty, “Moldova 0-5 England”, in BBC Sport‎^[1]:

        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.
   • 1594–1597, Richard Hooker, edited by J[ohn] S[penser], Of the Lawes of Ecclesiastical Politie, […], London: […] Will[iam] Stansby [for Matthew Lownes], published 1611, →OCLC, (please specify the page):

     The manner of this divine efficiency being far above us.

3. (US) A one-room apartment.

   Synonyms: efficiency apartment, studio apartment, (UK, Ireland) bedsit

   I have an efficiency available June through July.

   fully-furnished efficiencies

Hyponyms

• algorithmic efficiency
• allocative efficiency
• business efficiency
• dynamic efficiency
• electrical efficiency
• energy efficiency
• fuel efficiency
• Kaldor-Hicks efficiency
• material efficiency
• Pareto efficiency
• productive efficiency
• quantum efficiency
• static efficiency
• thermal efficiency

 

Derived terms

• coefficiency
• ecoefficiency
• efficiency ratio
• equiefficiency
• high-efficiency
• low-efficiency
• nonefficiency
• photoefficiency
• superefficiency

 

Related terms

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

 

Translations

extent to which time is well used

• Bulgarian: ефективност f (efektivnost)
• Catalan: eficiència (ca) f
• Chinese:

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

• Czech: efektivita (cs) f
• Dutch: efficiëntie (nl) f
• Finnish: tehokkuus (fi)
• French: efficacité (fr)
• Hungarian: hatékonyság (hu)
• Italian: efficienza (it) f, rendimento (it) m
• Japanese: 効率性 (こうりつせい; kōritsu-sei), 効率 (ja) (こうりつ; kōritsu), 時間効率 (じかんこうりつ; jikan-kōritsu)
• Latin: efficientia f
• Nepali: [script needed] (sashakta)
• Polish: efektywność (pl) f
• Portuguese: eficiência (pt) f
• Romanian: eficiență (ro) f
• Russian: эффекти́вность (ru) f (effektívnostʹ)
• Slovak: efektívnosť (sk) f
• Spanish: eficiencia (es) f
• Swedish: effektivitet (sv) c
• Tagalog: katalban, katalaban
• Thai: ประสิทธิภาพ (th) (bprà-sìt-tí-pâap)
• Turkish: verimlilik (tr)

extent to which a resource is used for the intended purpose

• Azerbaijani: səmərə
• Bulgarian: производителност (bg) f (proizvoditelnost)
• Catalan: rendiment (ca) m
• Chinese:

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

• Czech: účinnost (cs) f
• Dutch: rendement (nl) n
• Finnish: hyötysuhde (fi)
• French: rendement (fr)
• German: Effizienz (de) f
• Hungarian: hatásfok (hu)
• Italian: efficienza (it) f
• Japanese: 効率性 (こうりつせい; kōritsu-sei), 効率 (ja) (こうりつ; kōritsu)
• Latin: efficientia f
• Malay: kecekapan (ms), keefisienan, efisiensi
• Polish: sprawność (pl) f
• Portuguese: eficiência (pt) f
• Russian: эффекти́вность (ru) f (effektívnostʹ)
• Swedish: verkningsgrad (sv) c
• Tagalog: katalban, katalaban
• Thai: ประสิทธิภาพ (th) (bprà-sìt-tí-pâap)
• Turkish: verimlilik (tr)

one-room apartment

• Finnish: yksiö (fi)
• Galician: estudio (gl)
• German: Einzimmerwohnung (de) f, Einraumwohnung (de) f
• Greek: γκαρσονιέρα (el) f (gkarsoniéra), στούντιο (el) n (stoúntio)
• Swedish: enrummare (sv) c, etta (sv) c, övernattningsrum n

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

• Arabic: ^{(please verify)} كفاءَة (ar)
• French: ^{(please verify)} rendement (fr)
• German: ^{(please verify)} Effizienz (de)
• Kurdish:

  Central Kurdish: ^{(please verify)} لێھاتووی (lêhatûy), ^{(please verify)} کارایی (karayî)

• Serbo-Croatian: ^{(please verify)} učinkòvitōst (sh), ^{(please verify)} djelotvórnōst (sh) f, ^{(please verify)} ȅfikasnōst (sh) f
• Spanish: ^{(please verify)} eficiencia (es) f
• Turkish: ^{(please verify)} verimlilik (tr)

References

• efficiency on Wikipedia.Wikipedia