Definition of bismuth noun from the Oxford Advanced Learner's Dictionary

 

bismuth

 noun
noun
BrE BrE//ˈbɪzməθ//
 
; NAmE NAmE//ˈbɪzməθ//
 
[uncountable](symbol Bi)
 
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a chemical element. Bismuth is a reddish-white metal that breaks easily and is used in medicine. Word Origin mid 17th cent.: from modern Latin bisemutum, Latinization of German Wismut, of unknown origin.
See the Oxford Advanced American Dictionary entry: bismuth