1. Rn [ Synonyms: atomic number 86, radon] | |
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
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ایک تابکار بھاری گیسی عنصر۔ |
2. Rn [ Synonyms: registered nurse] | |
A graduate nurse who has passed examinations for registration
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