Efficiency is the quality of being able to do a task successfully, without wasting time or energy.
There are many ways to increase agricultural efficiency in the poorer areas of theworld.
...energy efficiency.
2. uncountable noun
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.
[technical]
More Synonyms of efficiency
efficiency in British English
(ɪˈfɪʃənsɪ)
nounWord forms: plural-cies
1.
the quality or state of being efficient; competence; effectiveness
2.
the ratio of the useful work done by a machine, engine, device, etc, to the energy supplied to it, often expressed as a percentage
See also thermal efficiency
efficiency in American English
(ɛˈfɪʃənsi; ɪˈfɪʃənsi)
nounWord forms: pluralefˈficiencies
1.
ability to produce a desired effect, product, etc. with a minimum of effort, expense, or waste; quality or fact of being efficient
2.
the ratio of effective work to the energy expended in producing it, as of a machine; output divided by input
3. US
efficiency apartment
Word origin
L efficientia: see efficient
efficiency in Chemical Engineering
(ɪfɪʃənsi)
noun
(Chemical Engineering: General)
Efficiency is a measure of how near a process is to being perfect.
In order for cooling towers to operate at maximum efficiency, it's important to remove those contaminants through filtration.
High viscosities reduce the mass transfer efficiency and cause difficulties with pumping and dispersion.
Efficiency is a measure of how near a process is to being perfect.
efficiency in Mechanical Engineering
(ɪfɪʃənsi)
noun
(Mechanical engineering: Energy, thermodynamics and heat transfer)
The efficiency of a process is how near it is to being perfect.
In order for cooling towers to operate at maximum efficiency, it's important to remove contaminants.
We supply high quality pistons to improve the efficiency of automobiles.
The efficiency of a process is how near it is to being perfect.
COBUILD Collocations
efficiency
cost efficiencies
maximum efficiency
Examples of 'efficiency' in a sentence
efficiency
Hospital efficiency and quality are largely determined by the quality of hospital management and organisation.
Times, Sunday Times (2016)
Check door rope seals are airtight to maintain fuel efficiency.
Times, Sunday Times (2016)
You will also receive energy efficiency advice that can help you to reduce your bills.
The Sun (2016)
Much depends on whether the government chooses to prioritise energy efficiency or cutting red tape.
Times, Sunday Times (2016)
The site also explains where to make improvements in energy efficiency and how much they could save you on your bills.
Times, Sunday Times (2016)
Bleed radiators to increase their efficiency.
Times, Sunday Times (2016)
Their review process is based on a treatment's cost effectiveness and efficiency.
Times, Sunday Times (2016)
It's about effectiveness and efficiency.
Times, Sunday Times (2016)
Change your driving habits to optimise fuel efficiency as well, and you can make a tank of petrol go 30 per cent further.
The Sun (2016)
Other areas to watch out for include an increase in efficiency savings expected from government departments to 25 per cent from 20 per cent.
Computing (2010)
Another threat to the electric vehicle is the advances in the efficiency of petrol engines.
Times, Sunday Times (2012)
Some profitability or efficiency ratios can be linked in useful ways.
Charles A. D'Ambrosio & Stewart D. Hodges & Richard Brealey & Stewart Myers Principles of Corporate Finance (1991)
It would have been cheaper to ignore energy efficiency.
Times, Sunday Times (2008)
When the scrum was working at full efficiency they played their best rugby of the season.
Times, Sunday Times (2016)
So one incremental increase to efficiency across the organisation can make a huge difference.
Times, Sunday Times (2014)
It offsets the impact of growing fuel efficiency.
Times, Sunday Times (2015)
There has been little intensification in the name of agricultural efficiency.
Times, Sunday Times (2015)
Transfer of skills makes the jump from training efficiency to training effectiveness.
O'Connor, Joseph & Seymour, John Training with N.L.P. (1994)
These takeovers have little to do with relative efficiency or quality of management.
Times, Sunday Times (2006)
It has features that improve energy efficiency.
Times, Sunday Times (2016)
Managers in the efficiency organization must work closely with their counterparts in the exchange and emergence groups.
Larry Downes THE STRATEGY MACHINE (2002)
It promotes the circulation and increases the efficiency of the lymph glands and ducts in the area.
Turner, Roger Newman The Hayfever Handbook - a summer survival guide (1988)
It found that a third of buyers said fuel efficiency was their main priority.
Times, Sunday Times (2012)
The team approach may produce positive motivational effects as well as improved efficiency and effectiveness.
Tompkins, Jonathan Human Resource Management in Government (1995)
Improved productivity in healthcare is about improved quality and efficiency.
Times, Sunday Times (2006)
But we also need to do more to deliver efficiencies and that work is already under way.
Times, Sunday Times (2015)
Fuel efficiency is the only guaranteed way of averting higher prices.
Times, Sunday Times (2013)
No one could question the effectiveness and efficiency of this charity.
Times, Sunday Times (2014)
If they continue to improve quality and efficiency the future is bright.
The Sun (2010)
Polar bears and arctic warblers and whales live on the margin: they survive by energy efficiency.
Radford, Tim & Leggett, Jeremy The Crisis of Life on Earth - our legacy from the second millenium (1990)
But because of what is happening with the volatility of oil prices, engine efficiency has become a critical issue.
Times, Sunday Times (2011)
Some engines are turned on and off, with the cars coasting for as far as they can to increase fuel efficiency.
The Sun (2009)
Back then, mpg figures were worsening as demand for bigger vehicles and better safety technology piled on weight that overwhelmed any advances in engine efficiency.
Times, Sunday Times (2010)
PER, see protein efficiency ratio.
Mayes, Adrienne The Dictionary of Nutritional Health (1986)
In other languages
efficiency
British English: efficiency NOUN
Efficiency is the quality of being able to do a task successfully, without wasting time or energy.
There are many ways to increase agricultural efficiency in the poorer areas of the world.
American English: efficiency
Brazilian Portuguese: eficiência
Chinese: 效率
European Spanish: eficiencia
French: efficacité
German: Leistungsfähigkeit
Italian: efficienza
Japanese: 効率性
Korean: 능률
European Portuguese: eficiência
Latin American Spanish: eficiencia
All related terms of 'efficiency'
fuel efficiency
the (least) amount of fuel used in proportion to the number of miles travelled
heat efficiency
the ratio of the work done by a heat engine to the energy supplied to it
current efficiency
the ratio of the actual mass of a substance liberated from an electrolyte by the passage of current to the theoretical mass liberated according to Faraday's law
efficiency savings
A saving is a reduction in the amount of time or money that is used or needed.
energy efficiency
a measure of how efficiently an appliance , building, organization or country uses energy
maximum efficiency
Efficiency is the quality of being able to do a task successfully, without wasting time or energy.
quantum efficiency
the number of electrons released by a photocell per photon of incident radiation of a given energy
radiant efficiency
the ratio of the power emitted by a source of radiation to the power consumed by it
thermal efficiency
the ratio of the work done by a heat engine to the energy supplied to it
efficiency apartment
a small flat or bedsit
efficiency engineer
a person whose work is to increase the productive efficiency of a business or industry by finding better methods of performing various operations , reducing waste and costs , etc.
electrode efficiency
the ratio of the amount of metal deposited in an electrolytic cell to that theoretically deposited according to Faraday's laws
luminous efficiency
the efficiency of polychromatic radiation in producing a visual sensation . It is the radiant flux weighed according to the spectral luminous efficiencies of its constituent wavelengths divided by the corresponding radiant flux
volumetric efficiency
the ratio of fluid delivered by a piston or ram pump per stroke to the displacement volume of the piston or ram
efficiency improvements
If there is an improvement in something, it becomes better . If you make improvements to something, you make it better.
energy efficiency ratio
a measure of the efficiency of a heating or cooling system, as a heat pump or air conditioner , equal to the ratio of the output in B.T.U./ hour to the input in watts
spectral luminous efficiency
a measure of the efficiency of radiation of a given wavelength in producing a visual sensation . It is equal to the ratio of the radiant flux at a standard wavelength to that at the given wavelength when the standard wavelength is chosen so that the maximum value of this ratio is unity
fuel-efficient
(of a vehicle, etc) using the least or a lower than usual amount of fuel in proportion to the number of miles travelled
Chinese translation of 'efficiency'
efficiency
(ɪˈfɪʃənsɪ)
n(u)
[of person, organization]效率 (xiàolǜ)
1 (noun)
ways to increase agricultural efficiency
Synonyms
effectiveness
the effectiveness of computers as an educational tool
power
economy
productivity
The results reflected a continued improvement in productivity.
organization
efficacy
Recent medical studies confirm the efficacy of a healthier lifestyle.
cost-effectiveness
orderliness
2 (noun)
her efficiency as a manager
Synonyms
competence
I regard her as a woman of integrity and high professional competence.
ability
Her drama teacher spotted her ability.
skill
The cut of a diamond depends on the skill of its craftsman.
expertise
the lack of management expertise within the company
capability
These tasks are far beyond her capabilities.
readiness
professionalism
proficiency
Evidence of basic proficiency in English is required.