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Meaning of efficiency

ef•fi•cien•cy

Pronunciation: (i-fish'un-sē), [key]
— pl. -cies.
  1. the state or quality of being efficient; 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. See
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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