Fromzetta- +‎gram.

zettagram (pluralzettagrams)

1. (metrology) AnSI unit ofmass equal to 10²¹grams. Symbol:Zg

For quotations using this term, seeCitations:zettagram.

• English terms prefixed with zetta-
• English lemmas
• English nouns
• English countable nouns
• en:Metrology
• en:SI units

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