English Dictionary

Definition of “efficiency

efficiency (ɪˈfɪʃənsɪPronunciation for efficiency

Definitions

noun

  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

Usage examples

  • Her brain was now functioning with its usual efficiency.
    Loraine, Philip, Last Shot (1986)
  • PD: The projections are for a 20 per cent boost in fuel efficiency.
    New Scientist (2003)
  • The fourth main category looked at by IMD is business efficiency.
    Irish Times (2002)
  • The big attraction of using stakeholder pensions, compared to other forms of saving, is their tax efficiency.
    Glasgow Herald (2001)
  • The parliament would need to be big enough to represent a wide range of views, but small enough to make decisions with efficiency.
    George Monbiot, THE AGE OF CONSENT (2003)

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