Noun: efficiency i'fi-shun(t)-see
- Skilfulness in avoiding wasted time and effort
"she did the work with great efficiency"
- The ratio of the output to the input of any system
"The efficiency of the solar panels was 20%, converting one-fifth of the sunlight into electricity"
- [N. Amer] A furnished apartment with a kitchenette and bathroom
"They rented an efficiency apartment to save money while in college";
- efficiency apartment [N. Amer]
Derived forms: efficiencies
Type of: apartment, flat [Brit], ratio, skilfulness [Brit, Cdn], skillfulness [N. Amer]
Antonym: inefficiency
Encyclopedia: Efficiency, plant