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English definition of “efficiency”

efficiency

noun [C/U]    /ɪˈfɪʃ·ən·si/
the condition or fact of producing the results you want without waste, or a particular way in which this is done: [U] The use of high-speed machinery improved the efficiency of the factory. [C usually pl] They reduced costs through production efficiencies.
(Definition of efficiency noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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