bismuth

bis·muth

noun \ˈbiz-məth\

Definition of BISMUTH

: a heavy brittle grayish white chiefly trivalent metallic element that is chemically like arsenic and antimony and that is used in alloys and pharmaceuticals—symbol Bi; see element table

—bis·mu·thic \biz-ˈməth-ik, -ˈmyü-thik\ adjective