efficiencies

Variant of efficiency

noun pl. efficiencies

  1. ability to produce a desired effect, product, etc. with a minimum of effort, expense, or waste; quality or fact of being efficient
  2. the ratio of effective work to the energy expended in producing it, as of a machine; output divided by input
  3. ☆ efficiency apartment

Origin: L efficientia: see efficient

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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