Dictionary

Rn

symbol

Definition of RN

radon

1RN

noun \ˌär-ˈen\

Definition of RN

First Known Use of RN

1903

2RN

abbreviation

Definition of RN

Royal Navy

Rn

symbol    (Medical Dictionary)

Medical Definition of RN

radon

Browse

Next Word in the Dictionary: RNAPrevious Word in the Dictionary: rmtAll Words Near: Rn
March 29, 2015
discomfit Hear it
To thwart or disconcert
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears