ronnameter
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English[edit]
Etymology[edit]
Noun[edit]
ronnameter (plural ronnameters)
- US spelling of ronnametre
- The observable universe is about one ronnameter in diameter.
- 2022 November 23, Katrina Krämer, “SI units get new prefixes for huge and tiny numbers”, in Chemistry World[1]:
- An electron’s mass is about one rontogram, Jupiter weighs two quettagrams and the diameter of the observable universe is one ronnameter.