EFFICIENCY

efficiency

(noun) skillfulness in avoiding wasted time and effort; “she did the work with great efficiency”

efficiency

(noun) the ratio of the output to the input of any system

Source: WordNet® 3.1

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Etymology

Noun

efficiency (countable and uncountable, plural efficiencies)

The extent to which time is well used for the intended task.

Antonyms: inefficiency, wastefulness

(dated) The quality of producing an effect or effects.

The extent to which a resource, such as electricity, is used for the intended purpose; the ratio of useful work to energy expended.

Antonyms: inefficiency, wastefulness

(US) A one-room apartment.

Synonyms: efficiency apartment, bedsit (UK, Ireland)

Hyponyms

• energy efficiency

• material efficiency

• fuel efficiency

• business efficiency

• quantum efficiency

• electrical efficiency

• thermal efficiency

• algorithmic efficiency

• Pareto efficiency

• allocative efficiency

Source: Wiktionary

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Ef*fi"cience, Ef*fi"cien*cy, n. Etym: [L. efficientia.]

1. The quality of being efficient or producing an effect or effects; efficient power; effectual agency. The manner of this divine efficiency being far above us. Hooker.

2. (Mech.)

Definition: The ratio of useful work to energy expended. Rankine. Efficiency of a heat engine, the ratio of the work done an engine, to the work due to the heat supplied to it.

Source: Webster’s Unabridged Dictionary 1913 Edition

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