1. The quality of being efficient or producing an effect or effects; efficient power; effectual agency. The manner of this divine efficiency being far above us. (Hooker)

2. (Science: mechanics) The ratio of useful work to energy expended. Efficiency of a heat engine, the ratio of the work done an engine, to the work due to the heat supplied to it.

Origin: L. Efficientia.

Please contribute to this project, if you have more information about this term feel free to edit this page

This page was last modified on 3 October 2005, at 21:16. This page has been accessed 7,249 times. 
What links here | Related changes | Permanent link