Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
effusion
effusive
Efik
EFL
EFM
efo elegusi
EFRA
EFT
eft
EFTA
EFTPOS
EFTS
eg
EGA
egad
egalitarian
Egeria
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

efficiency

ef·fi·cien·cy [ i físh'nsee ] (plural ef·fi·cien·cies)


noun 
Definition:
 
1. competence: the ability to do something well or achieve a desired result without wasted energy or effort

2. productive use of resources: the degree to which something is done well or without wasted energy

3. measure of machine's energy effectiveness: the ratio of the amount of energy used by a machine to the amount of work done by it. For example, the measurement of the amount of heat produced per unit of fuel when all of a fuel has been burned is a measure of a heating unit's efficiency.

4. domestic 
Same as  efficiency apartment


Advertisement

© 2009 Microsoft