zeptogram
nounEtymology From zepto- + gram.
1
Metrology An SI unit of mass equal to 10⁻²¹ grams. Symbol: zg
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Etymology From zepto- + gram.
Metrology An SI unit of mass equal to 10⁻²¹ grams. Symbol: zg
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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