Definition of efficiency
efficiencies
1 : the quality or degree of being efficient
2a : efficient operationb (1) : effective operation as measured by a comparison of production with cost (as in energy, time, and money) (2) : the ratio of the useful energy delivered by a dynamic system to the energy supplied to it
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Examples of efficiency in a Sentence
Because of her efficiency, we got all the work done in a few hours.
The factory was operating at peak efficiency.
A furnace with 80 percent fuel efficiency wastes 20 percent of its fuel.
The company is trying to lower costs and improve efficiencies.
Recent Examples of efficiency from the Web
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In the 1970s and ’80s, a group of University of Chicago scholars upended antitrust law by arguing that the benefits of economic efficiency created by mergers outweighed any concerns over company size.
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No wonder: Brazil ranks a miserable 117th out of 138 countries on labour-market efficiency, according to the World Economic Forum.
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The fact is that, for most hybrid vehicles on the market today, the electrical component is a modification of the internal combustion engine designed solely to improve the fuel efficiency.
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The survey results were determined by the city's operating efficiency and how well officials manage and spend public funds.
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Trolling initiatives such as #CNNBlackmail are often strategized with the destructive efficiency of guerilla warfare.
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And just blindly walking uphill toward peaks of efficiency almost never leads to a major summit.
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The beauty of Catapult, as Keith and Allen have come to find, is its efficiency and its specificity.
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This four-minute timelapse is the condensation of roughly four hours from start to finish, though not every second was devoted to maximum efficiency building.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'efficiency.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of efficiency
1633
EFFICIENCY Defined for English Language Learners
efficiency
playDefinition of efficiency for English Language Learners
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: the ability to do something or produce something without wasting materials, time, or energy : the quality or degree of being efficient ( technical )
EFFICIENCY Defined for Kids
efficiency
playDefinition of efficiency for Students
efficiencies
: the ability to do something or produce something without waste
Learn More about efficiency
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Thesaurus: All synonyms and antonyms for efficiency Spanish Central: Translation of efficiency Nglish: Translation of efficiency for Spanish speakers Britannica English: Translation of efficiency for Arabic speakers Britannica.com: Encyclopedia article about efficiency
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