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词汇 picogram
释义

Definition of picogram in English:

picogram

(also picogramme)
noun ˈpiːkə(ʊ)ɡramˈpʌɪkə(ʊ)ɡram
  • One million-millionth of a gram. Abbreviated pg.

Origin

1950s; earliest use found in Nature: a weekly journal of science. From pico- + gram.

Definition of picogram in US English:

picogram

(also picogramme)
noun
  • One million-millionth of a gram. Abbreviated pg.

Origin

1950s; earliest use found in Nature: a weekly journal of science. From pico- + gram.

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