efficiency
Translation
efficiency
Examples
The new system improved the factory's efficiency.
The new system improved the factory's efficiency.
We need to increase energy efficiency.
We need to increase energy efficiency.
Grammar Patterns
the ((efficiency)) of (sth.) the quality of doing something well with no waste The efficiency of the new engine is amazing.
Similar Words
Synonyms: effectiveness, productivity; Antonyms: inefficiency
Etymology
From Latin 'efficiens' (accomplishing), from 'ex-' (out) + 'facere' (to do, make). It means the quality of 'making out' or producing a result.
Memory Tips
Think of 'effect' + '-iency'. It's the quality of producing a good effect with minimum waste of time and effort.