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Definition of "one-billionth" []

  • One part in a billion equal parts (noun)

WordNet. Princeton University. 2010.

Use "one-billionth" in a sentence
  • "The Numbers Guy Blog Radiation Numbers in Damaged Japan Plant Becquerels, grays and sieverts all are internationally accepted units that quantify different aspects of radiation, while micro- and nano- are prefixes denoting one-millionth and one-billionth, respectively."
  • "Nowadays the observatory has cesium and hydrogen maser clocks, instruments that deviate no more than one-billionth of a second a day."
  • "Google uses perhaps one-billionth of Watson's resources, or less, to handle each query."
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