| Rn The symbol for the element radon. |
| RN abbr. 1. registered nurse 2. Royal Navy |
Rn
the chemical symbol for
(Chemistry / Elements & Compounds) radon
RN
(Transport / Nautical Terms)
abbreviation for Royal Navy
(Engineering / Automotive Engineering)
international car registration for (Republic of) Niger
| Rn The symbol for radon. |
ThesaurusLegend: Synonyms Related Words Antonyms
| 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 healthchemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
| 2. | RN - a graduate nurse who has passed examinations for registration nurse - one skilled in caring for young children or the sick (usually under the supervision of a physician) nurse-midwife - a registered nurse who has received special training as a midwife nurse clinician, nurse practitioner, NP - a registered nurse who has received special training and can perform many of the duties of a physician |
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