Efficiency is the often measurable ability to avoid making mistakes or wasting materials, energy, efforts, money, and time while performing a task. In a more general sense, it is the ability to do …

The meaning of EFFICIENCY is the quality or degree of being efficient. How to use efficiency in a sentence.

Efficiency definition: the state or quality of being efficient, or able to accomplish something with the least waste of time and effort; competency in performance..

EFFICIENCY definition: 1. the quality of achieving the largest amount of useful work using as little energy, fuel, effort…. Learn more.

In physics and engineering, efficiency is the ratio between the amount of energy a machine needs to make it work, and the amount it produces.

May 29, 2025 · Efficiency means that an entity is operating at an optimum level of performance. It is a measurable concept that can be determined by the ratio of useful output to total input. A …

1. the state or quality of being efficient. 2. accomplishment of or ability to accomplish a job with a minimum expenditure of time and effort. 3. the ratio of the work done by a machine to the …

There are eight meanings listed in OED's entry for the noun efficiency, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

EFFICIENCY meaning: 1 : the ability to do something or produce something without wasting materials, time, or energy the quality or degree of being efficient (technical); 2 : efficiency …

Definition of efficiency noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.