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

• ronnametre