Efficiency
[ih-fish-uh n-see] /ɪˈfɪʃ ən si/
noun, plural efficiencies.
1.
the state or quality of being , or able to accomplish something with the least waste of time and effort; competency in performance.
2.
accomplishment of or ability to accomplish a job with a minimum expenditure of time and effort:
The assembly line increased industry’s efficiency.
3.
the ratio of the work done or energy developed by a machine, engine, etc., to the energy supplied to it, usually expressed as a percentage.
4.
.
/ɪˈfɪʃənsɪ/
noun (pl) -cies
1.
the quality or state of being efficient; competence; effectiveness
2.
the ratio of the useful work done by a machine, engine, device, etc, to the energy supplied to it, often expressed as a percentage See also thermal efficiency
n.
1590s, “power to accomplish something,” from Latin efficientia (from efficientem; see efficient) + -cy. In mechanics, “ratio of useful work done to energy expended,” from 1858. Attested from 1952 as short for efficiency apartment (itself from 1930).
efficiency ef·fi·cien·cy (ĭ-fĭsh’ən-sē)
n.
efficiency
(ĭ-fĭsh’ən-sē)
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