Definition of nanogram in English:


Syllabification: nan·o·gram
Pronunciation: /ˈnanōˌgram
(abbreviation: ng)


  • One billionth of a gram.
    More example sentences
    • In oral fluid, drugs of abuse can be detected for 5-48 hours at a low nanogram per milliliter level.
    • The North Pacific contains about 1 nanogram of PCBs per litre.
    • He tested positive for the banned substance methamphetamine when a nanogram of the chemical was detected in his urine sample.

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a slit made by cutting with a saw