Rn


Symbol, Chemistry.
  1. radon.

Other definitions for R.N. (2 of 2)

R.N.

abbreviation
  1. British. Royal Navy.

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How to use Rn in a sentence

  • Horiston Castle, in Derbyshire, an ancient seat of the B—r—n family.

    Fugitive Pieces | George Gordon Noel Byron
  • Divil bur-r-n me, if I lets Joel get any such advantage over me, as to have a whole battle to himself.

    Wyandotte | James Fenimore Cooper
  • One is the upper, and the other the low country, or rather what some call the "co-u-n-try-b-o-r-n" cracker.

    Manuel Pereira | F. C. Adams
  • Noo, ma frien', see me sendin' the wee ba' scootin' ower the bonny bur-r-r-n!

  • Even as we stared at him his lips parted again, and again he said: "Dar-r-r-n it!"

    The Abandoned Farmer | Sydney Herman Preston

British Dictionary definitions for Rn (1 of 2)

Rn

the chemical symbol for
  1. radon

British Dictionary definitions for RN (2 of 2)

RN

abbreviation for
  1. (in Canada) Registered Nurse

  2. Royal Navy

symbol for
  1. Niger (international car registration)

Origin of RN

2
(sense 3) From R(epublic of) N(iger)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for Rn

Rn

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