from The Century Dictionary and Cyclopedia

  • n. The trade-name of naphthol bismuth or basic β-naphthol bismuth, (Bi(C10H7O)3)2.Bi2O3 or Bi(C10H7O)3.3HO, a neutral non-irritating light-brown powder. It is used in medicine as a sedative and antiseptic, because in the intestine it is resolved into its constituents.


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