Acronyms that contain the term RN
What does RN mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: RN.
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What does RN mean?
- radon, Rn, atomic number 86(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