- registered nurse.
- British. Royal Navy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for rn
They remember “RN,” as they call him, as a statesman, a hero, a peacemaker.Richard Nixon’s 100th Birthday Draws Kissinger & Others to Schmaltzy Bash
January 10, 2013
Tod says that almost all the princes of Rjastn followed the Rn at Kanw.The Bbur-nma in English
Babur, Emperor of Hindustan
Rn Ronsard accepted it with a slight but not over-obsequious salutation.
He has spoken often to our people, and he is father Rn's friend.
She was daughter to Rn, who was a relation of the King of France.Cathedral Cities of England
Rn preceded her, and in a few minutes they stood in the perfumer's shop.Marguerite de Valois
- (in Canada) Registered Nurse
- Royal Navy
- Niger (international car registration)
(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
- The symbol for the elementradon
- registered nurse
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- The symbol for radon.
- A colorless, odorless, radioactive element in the noble gas group. It is produced by the radioactive decay of radium and occurs in minute amounts in soil, rocks, and the air near the ground. Radon is used as a source of radiation for the treatment of cancer and other diseases. Its most stable isotope is Rn 222 with a half-life of 3.82 days. Atomic number 86; melting point -71°C; boiling point -61.8°C; specific gravity (solid) 4. See Periodic Table.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.