Meaning of Rn

Rn

Pronunciation: [key]
— Symbol, Chem.
  1. radon.

R.N.

Pronunciation: [key]
  1. See
  2. Royal Navy.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
  • rn (Thesaurus)