Synonyms for rn
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- 1. radon, Rn, atomic number 86, chemical element, element, noble gas, inert gas, argonon
- usage: 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
- 2. registered nurse, RN, nurse
- usage: a graduate nurse who has passed examinations for registration
See also: rn (Dictionary)