Rn
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Symbol, Chemistry.
radon.
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Question 1 of 7
Which sentence is correct?
Other definitions for Rn (2 of 2)
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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
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.