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ronnagram

Noun CEFR B2

Definitions

An SI unit of mass equal to 10²⁷ grams. Symbol: Rg

Examples

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

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

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