Definition of Radon
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(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
Antonyms of Radon
No Antonyms Found.
Homophones of Radon
No Antonyms Found.
A list of the most frequently used words in the English languge.
Longest words in the Oxford Dictionary.