picogram
/ˈpiːkə(ʊ)ɡram/ /ˈpʌɪkə(ʊ)ɡram/(also picogramme) Chiefly Science
noun
One million-millionth of a gram. Abbreviated pg.
Origin
1950s; earliest use found in Nature: a weekly journal of science. From pico- + gram.
| 单词 | picogram |
| 释义 | picogram/ˈpiːkə(ʊ)ɡram/ /ˈpʌɪkə(ʊ)ɡram/(also picogramme) Chiefly Science noun One million-millionth of a gram. Abbreviated pg. Origin |
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