from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Archaic form of efficiency.
from the GNU version of the Collaborative International Dictionary of English
- n. The quality of being efficient or producing an effect or effects; efficient power; effectual agency.
- n. The ratio of useful work to energy expended.
from The Century Dictionary and Cyclopedia
- n. Same as efficiency.
Sorry, no etymologies found.