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efficiency

n.
1.the ratio of the output to the input of any system
2.skillfulness in avoiding wasted time and effort

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Word of the Day

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  • efficacy
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  • efferent neuron
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  • efficiency engineer
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  • effigy
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  • sliding door
  • transmutation

  • Idiom of the Day

    (not) make head nor tail of (something)
    to not be able to understand something
    We could not make head nor tail of what the man was saying during his speech.



    1.
    With great ________, we stepped gingerly onto the planks of the dilapidated bridge that spanned a rocky stream twenty feet below.

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