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rn
Synonyms of rn Antonyms of rn Examples of rn Usage of rn Parts of rn Definition that contains rn Words sounding like rn Explanation of rn

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Definitions of rn
  1. 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

    Similar: 

    atomic number 86 radon
  2. noun
    a graduate nurse who has passed examinations for registration

    Similar: 

    registered nurse
    type of:
    nurse
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