Word: Radon
Speech Type: Noun
Etymology:
early 20th century: from radium, on the pattern of argon
Audio Pronunciation:
Phonetic Spelling:
ˈreɪdɒn
Dialects: British English
Definition:
the chemical element of atomic number 86, a rare radioactive gas belonging to the noble gas series.
Short Definition:chemical element of atomic number 86
Variant Forms:
- Rn
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