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

  • The new-comer wore aiguillettes and the cuff-rings of a Commander, R.N.

    A Case in Camera | Oliver Onions

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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