Definitions for efficiencyɪˈfɪʃ ən si
This page provides all possible meanings and translations of the word efficiency
the ratio of the output to the input of any system
skillfulness in avoiding wasted time and effort
"she did the work with great efficiency"
The extent to which time is well used for the intended task.
The efficiency of the planning department is deplorable.
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.
The efficiency of this loudspeaker is 40%.
A one-room apartment.
the quality of being efficient or producing an effect or effects; efficient power; effectual agency
the ratio of useful work to energy expended
Origin: [L. efficientia.]
U.S. National Library of Medicine
Ratio of output to effort, or the ratio of effort produced to energy expended.
The Standard Electrical Dictionary
The relation of work done to energy absorbed. A theoretically perfect machine would have the maximum efficiency in which the two qualities named would be equal to each other. Expressed by a coefficient, q. v., the efficiency in such case would be equal to 1. If a machine produced but half the work represented by the energy it absorbed, the rest disappearing in wasteful expenditure, in heating the bearings, in overcoming the resistance of the air and in other ways, its efficiency would be expressed by the coefficient 1/2 or .5, or if one hundred was the basis, by fifty per centum. There are a number of kinds of efficiencies of an electric generator which are given below.
Economic efficiency is, roughly speaking, a situation in which nothing can be improved without something else being hurt. Depending on the context, it is usually one of the following two related concepts: Allocative or Pareto efficiency: any changes made to assist one person would harm another. Productive efficiency: no additional output can be obtained without increasing the amount of inputs, and production proceeds at the lowest possible average total cost. These definitions are not equivalent: a market or other economic system may be allocatively but not productively efficient, or productively but not allocatively efficient. There are also other definitions and measures. All characterizations of economic efficiency are encompassed by the more general engineering concept that a system is efficient or optimal when it maximizes desired outputs given available inputs.
British National Corpus
Spoken Corpus Frequency
Rank popularity for the word 'efficiency' in Spoken Corpus Frequency: #2735
Written Corpus Frequency
Rank popularity for the word 'efficiency' in Written Corpus Frequency: #4452
Rank popularity for the word 'efficiency' in Nouns Frequency: #1170
The numerical value of efficiency in Chaldean Numerology is: 4
The numerical value of efficiency in Pythagorean Numerology is: 4
Sample Sentences & Example Usage
Efficiency is intelligent laziness.
The most profitable ... is energy efficiency.
Washington is a city of Southern efficiency and Northern charm.
The fall in prices is trumping the efficiency gains for the summer.
Washington D.C. is a city of Southern efficiency and Northern charm.
Images & Illustrations of efficiency
Translations for efficiency
From our Multilingual Translation Dictionary
- ефективност, производителностBulgarian
- eficiència, rendimentCatalan, Valencian
- účinnost, efektivitaCzech
- بهره وریPersian
- tehokkuus, hyötysuhde, yksiöFinnish
- kecekapan, keefisienan, efisiensiMalay
- efficiëntie, rendementDutch
- enrummare, effektivitet, etta, verkningsgrad, övernattningsrumSwedish
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