The meaning of Radon
Radon – definition
nounThe chemical element of atomic number 86, a rare radioactive gas belonging to the noble gas series.
Usage examples:
The ground in some parts of the country releases radon, a radioactive gas that can cause cancer.
nounA colorless radioactive gas that is formed when radium (= a chemical element) and some other substances break down
Radon translation into English
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Word origin
early 20th century: from radium, on the pattern of argon .
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