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Nanogram
noun
Definitions
Noun
- 1 An SI unit of mass equal to 10⁻⁹ grams. Symbol: ng
"Holonyms: microgram < milligram < gram < kilogram < megagram < gigagram"
- 2 one billionth (1/1,000,000,000) gram wordnet
Etymology
From nano- + gram.
See also for "nanogram"
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