Английский разговорный словарь (основной) - bismuth
Bismuth
bismuth
ˈbɪzməθ n. Chem. 1 a brittle reddish-white metallicelement, occurring naturallyand used in alloys. °Symb.: Bi. 2 any compound of this element used medicinally. [mod.L bisemutum, Latinization of G Wismut, of unkn. orig.]