Definition of: radon

(rā′don) noun
A heavy, radioactive, chemically inert gaseous element (symbol Rn, atomic number 86) having isotopes which are decay products in the several natural radioactive series. See PERIODIC TABLE. [<RAD(IUM) + -ON, as in neon]

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Statistical data

"radon" has the frequency of use of 0.0008% on city-data.com forum

"radon" has the frequency of use of 0.0001% on en.wikipedia.org.

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Definition of: radon

'radon' used in million biggest domains list by Alexa.com:

'radon' used in other domains:

Statistical data

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