ronnameter

English

Etymology

From ronna- +‎ meter.

Noun

ronnameter (plural ronnameters)

  1. 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.

Anagrams

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