A graduate nurse who has passed examinations for registration
English: registered nurse, RN
rnEnglish
RN, Rn, atomic number 86, radon, registered nurse
Noun
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 health
English: radon, Rn, atomic number 86