noun, plural ef·fi·cien·cies.
Origin of efficiency
Examples from the Web for efficiency
And increasingly smart navigation aids in the cockpit brought far greater precision and efficiency to route planning.Flight 8501 Poses Question: Are Modern Jets Too Automated to Fly?|Clive Irving|January 4, 2015|DAILY BEAST
Second,” said Sen. Paul, “is the Milton Friedman efficiency argument.
Efficiency may seem a pitiless term to use but it does have meaning.Blood and War: The Hard Truth About ‘Boots on the Ground’|Clive Irving|September 22, 2014|DAILY BEAST
Her candor and efficiency are refreshing, especially on the once-grungy, now-trendy Orchard Street.
The loss of Scottish bases would have “a disproportionate” impact on efficiency, he said.
To increase the efficiency of the cavalry extensive manœuvres were organised.Sir John French|Cecil Chisholm
Determination and efficiency are not unknown in His Majesty's Navy.The Blocking of Zeebrugge|Alfred F. B. Carpenter
The condition in which a camp site is left by an organization will clearly indicate the efficiency and discipline in a command.Military Instructors Manual|James P. Cole and Oliver Schoonmaker
The distance between traps is an important factor in determining the efficiency of live-trapping.
A thirty-six point eight efficiency loss was a comparable loss in profits.Confidence Game|James McKimmey
British Dictionary definitions for efficiency
noun plural -cies
Word Origin and History for efficiency
1590s, "power to accomplish something," from Latin efficientia (from efficientem; see efficient) + -cy. In mechanics, "ratio of useful work done to energy expended," from 1858. Attested from 1952 as short for efficiency apartment (itself from 1930).