Rn
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Rn
The symbol for radon.
RN
abbr.
1. registered nurse
2. Royal Navy
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Rn
the chemical symbol for
(Elements & Compounds) radon
RN
abbreviation for
1. (Professions) (in Canada) Registered Nurse
2. (Nautical Terms) Royal Navy
symbol for
(Automotive Engineering) Niger (international car registration)
[(sense 3): from R(epublic of) N(iger)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Rn
Chem. Symbol.
radon.
RN
or R.N.,
1. registered nurse.
2. Brit. Royal Navy.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Rn
The symbol for radon.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
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| Noun | 1. |  Rn - a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to healthchemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
| 2. | RN - a graduate nurse who has passed examinations for registration nurse - one skilled in caring for young children or the sick (usually under the supervision of a physician) nurse-midwife - a registered nurse who has received special training as a midwife nurse clinician, nurse practitioner, NP - a registered nurse who has received special training and can perform many of the duties of a physician |
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