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1. Dictionary

   ef·fi·cien·cy

   /əˈfiSHənsē/

   noun

   • 1. the state or quality of being efficient: "greater energy efficiency" Similar organizationorderorderlinessplanningregulationlogicalitycoherenceproductivityeffectivenesscost-effectivenesscompetencecapabilityabilityproficiencyadeptnessdeftnessexpertiseprofessionalismskillfulnessskilleffectivenessproductivityorganizationOpposite inefficiencyincompetence
   • ▪ an action designed to achieve efficiency: "to increase efficiencies and improve earnings"
   • ▪ 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 percent"
   • ▪ short for efficiency apartment

   Word Origin late 16th century (in the sense ‘the fact of being an efficient cause’): from Latin efficientia, from efficere ‘accomplish’ (see effect).

   Scrabble Points: 23

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   More definitions, origin and scrabble points

2. en.wikipedia.org › wiki › EfficiencyEfficiency - Wikipedia

   en.wikipedia.org › wiki › Efficiency

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   Efficiency is the often measurable ability to avoid making mistakes or wasting materials, energy, efforts, money, and time while performing a task. In a more general sense, it is the ability to do things well, successfully, and without waste.

3. www.merriam-webster.com › dictionary › efficiencyEfficiency Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › efficiency

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   1. : the quality or degree of being efficient. 2. a. : efficient operation. b (1) : effective operation as measured by a comparison of production with cost (as in energy, time, and money) (2) : the ratio of the useful energy delivered by a dynamic system to the energy supplied to it. 3. : efficiency apartment. Synonyms. edge. effectiveness.

4. www.dictionary.com › browse › efficiencyEFFICIENCY Definition & Meaning | Dictionary.com

   www.dictionary.com › browse › efficiency

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   Efficiency definition: the state or quality of being efficient, or able to accomplish something with the least waste of time and effort; competency in performance.. See examples of EFFICIENCY used in a sentence.

5. dictionary.cambridge.org › dictionary › englishEFFICIENCY | English meaning - Cambridge Dictionary

   dictionary.cambridge.org › dictionary › english

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   EFFICIENCY definition: 1. the quality of achieving the largest amount of useful work using as little energy, fuel, effort…. Learn more.

6. dictionary.cambridge.org › us › dictionaryEFFICIENCY | definition in the Cambridge English Dictionary

   dictionary.cambridge.org › us › dictionary

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   the quality of working well in an organized way, without wasting time or energy: She gets through her work with speed and efficiency. What is so impressive about their society is the efficiency of the public services. [ C ] something that is done to avoid wasting time, energy, or money:

7. www.britannica.com › dictionary › efficiencyEfficiency Definition & Meaning | Britannica Dictionary

   www.britannica.com › dictionary › efficiency

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   EFFICIENCY meaning: 1 : the ability to do something or produce something without wasting materials, time, or energy the quality or degree of being efficient (technical); 2 : efficiency apartment.

8. www.collinsdictionary.com › dictionary › englishEFFICIENCY definition and meaning | Collins English Dictionary

   www.collinsdictionary.com › dictionary › english

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   Efficiency is the quality of being able to do a task successfully, without wasting time or energy.

9. www.vocabulary.com › dictionary › efficiencyEfficiency - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › efficiency

   Efficiency is avoiding a waste of time, effort, or resources. Many people have begun to use compact fluorescent light bulbs because of their greater energy efficiency.

10. www.oxfordlearnersdictionaries.com › definition › englishefficiency noun - Definition, pictures, pronunciation and usage...

    www.oxfordlearnersdictionaries.com › definition › english

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    Definition of efficiency noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

11. dictionary.cambridge.org › dictionary › learner-englishEFFICIENCY | meaning - Cambridge Learner's Dictionary

    dictionary.cambridge.org › dictionary › learner-english

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    EFFICIENCY definition: a good use of time and energy, without wasting any: . Learn more.