Dictionary
efficiency
noun ef·fi·cien·cy \i-ˈfi-shən-sē\
: the ability to do something or produce something without wasting materials, time, or energy : the quality or degree of being efficient ( technical )
plural ef·fi·cien·cies
Full Definition of EFFICIENCY
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
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First Known Use of EFFICIENCY
1633
Related to EFFICIENCY
- Synonyms
- edge, effectiveness, effectualness, efficaciousness, efficacity, efficacy, productiveness
- Antonyms
- ineffectiveness, ineffectuality, ineffectualness, inefficiency
EFFICIENCIES Defined for Kids
efficiency
noun ef·fi·cien·cy \i-ˈfi-shən-sē\
plural ef·fi·cien·cies
Definition of EFFICIENCY for Kids
: the ability to do something or produce something without waste
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