Definition of efficiency noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ɪˈfɪʃnsi//
    ; NAmE NAmE//ɪˈfɪʃnsi//
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  1. 1[uncountable] the quality of doing something well with no waste of time or money improvements in efficiency at the factory I was impressed by the efficiency with which she handled the crisis.
  2. 2efficiencies [plural] ways of wasting less time and money or of saving time or money We are looking at our business to see where savings and efficiencies can be made.
  3. 3[uncountable] (specialist) the relationship between the amount of energy that goes into a machine or an engine, and the amount that it produces
  4. 4[countable] = efficiency apartment
  5. Word Originlate 16th cent. (in the sense ‘the fact of being an efficient cause’): from Latin efficientia, from efficere ‘accomplish’, from ex- ‘out, thoroughly’ + facere ‘do, make’.Extra examples New timekeeping procedures had been introduced as part of an efficiency drive. The Internet’s promise to bring more efficiency to the distribution chain is still materializing. The optimum design allows bartenders to work at peak efficiency. The uprising was put down with ruthless efficiency. We have failed to improve fuel efficiency standards. attempts to achieve greater efficiency in the production process greater efficiency in energy use the efficiency gains resulting from improved technology A team of inspectors will be monitoring the efficiency of the new system. Giving employees more flexible working hours usually leads to enhanced efficiency. He carried out his orders with ruthless efficiency. New standards of energy efficiency are being introduced. She has run the project with great efficiency. Some people have questioned the efficiency of the software. The changes are being made in the interests of safety and efficiency. The new computer system will cut costs and increase efficiency. We are always looking for ways to improve efficiency at the factory.
See the Oxford Advanced American Dictionary entry: efficiency

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