Dictionary
13 ENTRIES FOUND:

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

Examples of EFFICIENCY

  1. Because of her efficiency, we got all the work done in a few hours.
  2. The factory was operating at peak efficiency.
  3. A furnace with 80 percent fuel efficiency wastes 20 percent of its fuel.
  4. The company is trying to lower costs and improve efficiencies.

First Known Use of EFFICIENCY

1633

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