| word | efficiency |
|---|---|
| definition | noun Efficiency is the quality of being able to do a task successfully, without wasting time or energy. There are many ways to increase agricultural efficiency in the poorer areas of the world. ...energy efficiency. In physics and engineering, efficiency is the ratio between the amount of energy a machine needs to make it work, and the amount it produces. |
| inflections | efficiencies |
| cefr-level | C1 |
Tags: oxford5k::cefr-level:c1
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