quettagram

English

Etymology

From quetta- +‎ gram.

Noun

quettagram (plural quettagrams)

1. (metrology) An SI unit of mass equal to 10³⁰ grams. Symbol: Qg
   • 2022 November 18, Ian Sample, “Earth weighs in at six ronnagrams as new prefixes picked for big and small”, in The Guardian‎^[1]:

     The arrival of the new prefixes means the Earth can now be said to weigh six ronnagrams, and Jupiter about two quettagrams.