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View synonyms for efficiency

efficiency

[ ih-fish-uhn-see ]

noun

, plural ef·fi·cien·cies.
  1. the state or quality of being efficient, 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.


efficiency

/ ɪˈfɪʃənsɪ /

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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


efficiency

/ ĭ-fĭshən-sē /

  1. The ratio of the energy delivered (or work done) by a machine to the energy needed (or work required) in operating the machine. The efficiency of any machine is always less than one due to forces such as friction that use up energy unproductively.
  2. The ratio of the effective or useful output to the total input in any system.


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Other Words From

  • nonef·ficien·cy noun
  • super·ef·ficien·cy noun plural superefficiencies
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Word History and Origins

Origin of efficiency1

First recorded in 1585–95; from Latin efficientia, from efficient- (stem of efficiēns efficient ) + -ia -y 3
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Example Sentences

With limited ad budgets, every dollar counts and efficiency is at a premium.

Pitchers who lack mechanical efficiency are more reliant on the creation of power to throw hard.

Automation shines with grouped efficiency and averages…not shared and thus manually managed data.

There’s this layer of data and efficiency that we’ve experienced as we’ve figured this all out that I don’t think we can walk away from in the future.

From Digiday

Since then the rise of e-commerce marketplaces has forced a major shift in the design of the consumer journey, designed to reduce friction and increase efficiency.

From Digiday

And increasingly smart navigation aids in the cockpit brought far greater precision and efficiency to route planning.

His stories were constructed with ruthless narrative efficiency.

This was the most sophisticated global tracking system ever devised, and it worked with lethal efficiency.

Second,” said Sen. Paul, “is the Milton Friedman efficiency argument.

Efficiency may seem a pitiless term to use but it does have meaning.

Can there be any comparison between the educational efficiency of the two methods?

An estimation of the solids, therefore, furnishes an important clue to the functional efficiency of the kidneys.

Is the college stage of our present educational system anywhere near its maximum possible efficiency?

In all business matters he required a rigid economy though never at the expense of efficiency.

By the adoption of scientific principles Hope-Jones has multiplied the efficiency of Swell boxes tenfold.

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