Lexic.us

Definition of Efficiency

1. Noun. The ratio of the output to the input of any system.

2. Noun. Skillfulness in avoiding wasted time and effort. "She did the work with great efficiency"

Definition of Efficiency

1. Noun. The extent to which time is well used for the intended task. ¹

2. Noun. (dated) The quality of producing an effect or effects. ¹

3. Noun. The extent to which a resource, such as electricity, is used for the intended purpose; the ratio of useful work to energy expended. ¹

4. Noun. A one-room apartment. ¹

¹ Source: wiktionary.com

Definition of Efficiency

1. [n EFFICIENCIES]

Medical Definition of Efficiency

1. 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. The ratio of useful work to energy expended. Efficiency of a heat engine, the ratio of the work done an engine, to the work due to the heat supplied to it. Origin: L. Efficientia. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Efficiency

effervescive effet effete effetely effeteness effetenesses efficacies efficacious efficaciously efficaciousness

efficacities efficacity efficacy efficience efficiencies efficiency (current term) efficiency apartment efficiency engineer efficiency expert efficient

efficiently efficientness effierce effierced effierces effigial effigiate effigiated effigiates effigiating

Literary usage of Efficiency

Below you will find example usage of this term as found in modern and/or classical literature:

1. Readers' Guide to Periodical Literature by H.W. Wilson Company (1916)
"Musician 21: 209 Ap 'Iß Music teacher's money efficiency. T: Tapper. ... New Repub 7:326-8 Jl 29 46 efficiency in public business. ..."

2. Technology Review by Massachusetts Institute of Technology Association of Class Secretaries, Massachusetts Institute of Technology Alumni Association (1899)
"All the talk we hear today about efficiency, in so far as it is sane, ... a careful investigation of facts (here some of our efficiency engineers go astray) ..."

3. Educational Psychology by Edward Lee Thorndike (1913)
"of view of efficiency or improvement, the addition of a new mental function is representable as the change from zero to some defined degree of efficiency in ..."

4. Energy Policies of IEA Countries by International Energy Agency (2004)
"The steps endorsed in the NCS and progress on their implementation as of April 2003 are as follows: Development of Energy efficiency Technology: The NCS ..."

5. Psychological Review by American Psychological Association (1902)
"Association tests (efficiency) and addition (efficiency) 48 Association tests (total number done) and RE (number of words None or marked) slight. ..."

6. The Journal of Educational Research by American Educational Research Association (1921)
"Reversed index of efficiency is 10000 times the number of errors divided by the nber of words written. Instead of being percent of errors or number of wordl ..."

7. OECD Environmental Performance Reviews by OECD Staff, Oecd, SourceOECD (Online service) (2005)
"4.2 Energy intensity and energy efficiency Total primary energy supply (TPES) ... Pilot initiatives aimed at promoting energy efficiency included energy ..."

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