noun, plural ef·fi·cien·cies.
Origin of efficiency
Examples from the Web for efficiencies
And both natural gas and efficiencies benefit the environment and promise some move toward long-term sustainability.Obama-Republican Fight Over Gas Prices Is Pure Political Theater|Zachary Karabell|April 18, 2012|DAILY BEAST
The Austrian in all the elegancies of life is as superior to the German as he is inferior to him in all life's efficiencies.The New Germany|George Young
Hence it is that the average efficiency of pumps of this kind is in practice less than the efficiencies given above.
It is the same at all efficiencies, and there is no inducement whatever for a worker to increase his efficiency.A Rational Wages System|Henry Atkinson
Thus he can apply far more directly than the manufacturer or railroad manager the economies and efficiencies of Big Business.Readings in Money and Banking|Chester Arthur Phillips
It is evident that the efficiency of the whole train is the product of the efficiencies of its sections.