- Efficiency is defined as the ability to produce something with a minimum amount of effort.
An example of efficiency is a reduction in the number of workers needed to make a car.
- ability to produce a desired effect, product, etc. with a minimum of effort, expense, or waste; quality or fact of being efficient
- the ratio of effective work to the energy expended in producing it, as of a machine; output divided by input
- ☆ efficiency apartment
Origin: Classical Latin efficientia: see efficient
Used by arrangement with John Wiley & Sons, Inc.
noun pl. ef·fi·cien·cies
- a. The quality or property of being efficient.b. The degree to which this quality is exercised: The program was implemented with great efficiency and speed.
- a. The ratio of the effective or useful output to the total input in any system.b. The ratio of the energy delivered by a machine to the energy supplied for its operation.
- An efficiency apartment.
efficiency - Business Definition
efficiency - Medical Definition
- The production of the desired effects or results with minimum waste of time, effort, or skill.
- A measure of effectiveness; specifically, the useful work output divided by the energy input in any system.
efficiency - Science Definition
- The ratio of the energy delivered (or work done) by a machine to the energy needed (or work required) in operating the machine. The efficiency of any machine is always less than one due to forces such as friction that use up energy unproductively. See also mechanical advantage.
- The ratio of the effective or useful output to the total input in any system.
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