nanogram

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nan·o·gram

 (năn′ə-grăm′)
n. Abbr. ng
One billionth (10-9) of a gram.

nanogram

(ˈnænəʊˌɡræm) or

nanogramme

n
(Units) one billionth (10–9) of a gram. Symbol: ng
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.nanogram - one billionth (1/1,000,000,000) gram
metric weight unit, weight unit - a decimal unit of weight based on the gram
mcg, microgram - one millionth (1/1,000,000) gram