Search Result for "nanogram": 
Wordnet 3.0

NOUN (1)

1. one billionth (1/1,000,000,000) gram;
[syn: nanogram, ng]



WordNet (r) 3.0 (2006):

nanogram
    n 1: one billionth (1/1,000,000,000) gram [syn: nanogram,
         ng]