Rn

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Symbol, Chemistry.

radon.

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Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Other definitions for Rn (2 of 2)

R.N.

abbreviation

registered nurse.

British. Royal Navy.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Rn in a sentence

Horiston Castle, in Derbyshire, an ancient seat of the B—r—n family.
Fugitive Pieces|George Gordon Noel Byron
Divil bur-r-n me, if I lets Joel get any such advantage over me, as to have a whole battle to himself.
Wyandotte|James Fenimore Cooper
One is the upper, and the other the low country, or rather what some call the "co-u-n-try-b-o-r-n" cracker.
Manuel Pereira|F. C. Adams
Noo, ma frien', see me sendin' the wee ba' scootin' ower the bonny bur-r-r-n!
Punch, or the London Charivari, Vol. 146, February 11, 1914|Various

Even as we stared at him his lips parted again, and again he said: "Dar-r-r-n it!"
The Abandoned Farmer|Sydney Herman Preston

British Dictionary definitions for Rn (1 of 2)

the chemical symbol for

radon

British Dictionary definitions for Rn (2 of 2)

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

The symbol for radon.