bismuth
Concise Oxford English Dictionary © 2008 Oxford University Press:
bismuth /ˈbɪzməθ/
▶noun the chemical element of atomic number 83, a brittle reddish-tinged grey metal. (Symbol: Bi)
– origin C17: from mod. L. bisemutum, Latinization of Ger. Wismut, of unknown origin.
'bismuth' also found in these Oxford entries:

