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Search Result:radon

KK Pronunciation

〔 ˋredɑn 〕


〔 ˊreidɒn 〕

Overview of noun radon

The noun radon has 1 sense

  • radon, Rn, atomic number 86 -- (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)