a. [f. prec. + -AL.] Of or pertaining to bismuth.
So † Bismuthane, Davy’s name for chloride of bismuth. Bismuthate, a salt of bismuthic acid. Bismuthic a., of bismuth, applied to compounds in which bismuth combines as a pentad, as bismuthic oxide, Bi2 O5. Bismuthide (Chem.), a primary compound of bismuth with another element or an organic radical, as bismuthide of potassium or of ethyl; (Min.) Beudant’s name for a family of minerals of the bismuth type. Bismuthine, a compound of bismuth having the structure of an amine, as triethyl-bismuthine (cf. ARSINE); also = Bismuthinite (Min.), native sulphide of bismuth, or bismuth-glance, a lead-grey lustrous mineral, isomorphous with stibnite. Bismuthous a., combined with bismuth as a triad, as bismuthous oxide, Bi2 O2. Bismutite, Bismuthite (Min.), the native hydrous carbonate of bismuth, Bi2 C, of various forms and colors.
1812. Sir H. Davy, Chem. Philos., 407. It has been called butter of bismuth. It may be called bismuthane.
1799. Kirwan, Geol. Ess., 428. Bismuthic, cobaltic, arsenical pyrites.
1854. J. Scoffern, in Orr’s Circ. Sc., Chem., 469. The peroxide of bismuth, or bismuthic acid.
1881. Athenæum, 12 Nov., 634/3. The synthesis of bismuthous iodide.
