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Rn

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Symbol, Chemistry.
radon.
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Other definitions for Rn (2 of 2)

R.N.

abbreviation
British. Royal Navy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use Rn in a sentence

British Dictionary definitions for Rn (1 of 2)

Rn

the chemical symbol for
radon

British Dictionary definitions for Rn (2 of 2)

RN

abbreviation for
(in Canada) Registered Nurse
Royal Navy
symbol for
Niger (international car registration)

Word Origin for RN

(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

Medical definitions for Rn (1 of 2)

Rn

The symbol for the elementradon

Medical definitions for Rn (2 of 2)

RN

abbr.
registered nurse
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for Rn

Rn

The symbol for radon.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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