nanogram

noun nano·gram \ˈna-nə-ˌgram\

Definition of NANOGRAM

: one billionth of a gram

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International Scientific Vocabulary

First Known Use: 1951

Medical Dictionary

noun nano·gram

: one billionth of a gram—abbreviation ng

nano·gram or chiefly British nano·gramme \ˈnan-ə-ˌgram\

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