EfficienceEf*fi"cience\, Efficiency \Ef*fi"cien*cy\, n. [L. efficientia.]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. (Mech.) The ratio of useful work to energy expended. --Rankine. Efficiency of a heat engine, the ratio of the work done an engine, to the work due to the heat supplied to it.
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.