n. Chem. a radioactive element, the heaviest of the halogens, which occurs naturally and can be artificially made by nuclear bombardment of bismuth. °Symb: At.
[ formed as ASTATIC + -INE(4) ]
n. Chem. a radioactive element, the heaviest of the halogens, which occurs naturally and can be artificially made by nuclear bombardment of bismuth. °Symb: At.
[ formed as ASTATIC + -INE(4) ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012