bismuth

 
Pronunciation: /ˈbɪzməθ/

noun

[mass noun]
  • the chemical element of atomic number 83, a brittle reddish-tinged grey metal. (Symbol: Bi)
  • a compound of bismuth used medicinally.

Origin:

mid 17th century: from modern Latin bisemutum, Latinization of German Wismut, of unknown origin