Associations to the word «Rn»

Wiktionary

RN, abbreviation. Rio Grande do Norte, a state of Brazil.
RN, symbol. (element symbol) Symbol for radon.

Dictionary definition

RN, 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.
RN, noun. A graduate nurse who has passed examinations for registration.

Wise words

The difference between the right word and the almost right word is the difference between lightning and a lightning bug.
Mark Twain