ASTATINE


Meaning of ASTATINE in English

/ ˈæstətiːn; NAmE / noun

[ U ] ( symb At ) a chemical element. Astatine is a radioactive element which is found in small amounts in nature, and is produced artificially for use in medicine.

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WORD ORIGIN

1940s: from Greek astatos unstable + -ine .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.