ASTATINE


Meaning of ASTATINE in English

[ 'astəti:n ]

■ noun the chemical element of atomic number 85, a very unstable radioactive member of the halogen group. (Symbol: At )

Origin

1940s: from Gk astatos 'unstable' + -ine 4 .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.