bismuth
/ˈbɪzməθ/noun
mass noun
1- the chemical element of atomic number 83, a brittle reddish-tinged grey metal. (Symbol:Bi)（化学元素）铋（符号Bi）。
1.1
- a compound of this element used medicinally铋化物。
词源
mid 17th cent.: from modern Latin bisemutum, Latinization of German Wismut, of unknown origin.