What does the word efficiency mean?

Usage examples for efficiency

  1. Half the secret of success nowadays is efficiency and organization. – Guy Garrick by Arthur B. Reeve
  2. The industrial efficiency of two men working without society might have differed as two to one- that is, while one man was able to produce a full quarter dollar's worth of work a day, the other could produce only twelve and a half cents' worth. – Equality by Edward Bellamy
  3. The circumstances were peculiar, of course, but I have every confidence in Doctor McMurdoch's efficiency. – Fire-Tongue by Sax Rohmer