Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
argonon | Yes | No | No | No |
Rn | Yes | No | No | No |
argonon (noun) | Rn (noun) |
---|---|
any of the chemically inert gaseous elements of the helium group in the periodic table | 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 |