astatine
noun/ˈæstətiːn/
/ˈæstətiːn/
[uncountable] (symbol At)
- a chemical element. Astatine is a radioactive element that is found in small amounts in nature, and is produced artificially for use in medicine.Word Origin1940s: from Greek astatos ‘unstable’ + -ine.
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
Check pronunciation:
astatine