bismuthite

noun

bis·​muth·​ite

ˈbizməˌthīt,

ˈbism-,

-ˌt͟hīt

plural -s

: a nitrate of bismuth: such as

a

: the normal nitrate Bi(NO₃)₃.5H₂O obtained as colorless lustrous hygroscopic crystals by the action of nitric acid on bismuth and used chiefly in making other bismuth compounds

b

: bismuth subnitrate

Word History

Etymology

German bismutit, bismut bismuth + -it -ite

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