Bible Dictionaries
Efficiency

Webster's Dictionary

(1):

(n.) The ratio of useful work to energy expended.

(2):

(n.) The quality of being efficient or producing an effect or effects; efficient power; effectual agency.

Bibliography Information
Webster, Noah. Entry for 'Efficiency'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​e/efficiency.html. 1828.