rn has definitions from the fields of medicine,work,chemistry
1
[ noun ] (chemistry) 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

Related terms

chemical_element noble_gas

2
[ noun ] (medicine,work) a graduate nurse who has passed examinations for registration

Synonyms

registered_nurse

Related terms

nurse np nurse-midwife

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