efficiency

Значение (Английский)

  1. (countable, uncountable) The extent to which a resource is used for the intended purpose.
  2. (countable, uncountable) The extent to which a resource is used for the intended purpose.
  3. (countable, uncountable) The extent to which a resource is used for the intended purpose.
  4. (countable, dated, uncountable) The quality of producing an effect or effects.
  5. (US, countable, uncountable) A one-room apartment.

Напротив
inefficiency, wastefulness
Частота

C2
Произносится как (IPA)
/ɪˈfɪʃn̩si/
Этимология (Английский)

From Latin efficientia, equivalent to efficient + -cy.

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