Rn
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 health.
synonyms: atomic number 86, radon.
Dutch: radon
Polish: radon, Rn
2 RN
A graduate nurse who has passed examinations for registration.
synonym: registered nurse.
Moby thesaurus: LPN, Naval Construction Battalion, Royal Navy, Seabees, USN, United States Navy, argosy, armada, charge nurse, coast guard, district nurse, division, escadrille, fleet, flotilla, graduate nurse, licensed practical nurse, marine, merchant fleet, merchant marine ... show more.
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