单词 | plumbo- |
释义 | plumbo-comb. form Chiefly Chemistry and Mineralogy. Forming the names of compounds and substances derived from or containing lead. plumbocalcite n. Brit. /ˌplʌmbə(ʊ)ˈkalsʌɪt/ , U.S. /ˌpləmboʊˈkælˌsaɪt/ [compare French †plombocalcite (1847 or earlier; now plumbocalcite; < English)] Mineralogy (now rare) a variety of calcite with some of the calcium replaced by lead.ΚΠ 1832 J. F. W. Johnson in Edinb. Jrnl. Sci. 6 81 The lead may increase or decrease till the crystals become wholly lead or wholly lime; and I propose the name plumbo-calcite as a short way of designating all such varieties of the mineral as may contain lead in any proportion. 1855 J. D. Dana Man. Mineral. (ed. 7) 117 Plumbocalcite, from Cornwall, contains 2·34 per cent. of carbonate of lead. 1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 154 Calcite... Plumbian. Plumbocalcite... Relatively highly plumbian material is white or yellowish in color, opaque, and has a pearly or silky luster. plumbojarosite n. Brit. /ˌplʌmbə(ʊ)ˈdʒarəsʌɪt/ , U.S. /ˌpləmboʊˈdʒɛrəˌsaɪt/ , /ˌpləmboʊdʒəˈroʊˌsaɪt/ Mineralogy a mineral of the hexagonal crystal system consisting of a basic sulphate of lead and ferric iron, PbFe6(SO4)4(OH)12, and occurring as brown crusts or compact masses, esp. as a secondary mineral in lead ores in arid regions.ΘΚΠ the world > the earth > minerals > types of mineral > sulphates > [noun] > sulphates of two plus elements > basic alumian1858 svanbergite1866 roeblingite1897 natroalunite1902 natrojarosite1902 plumbojarosite1902 tsumebite1913 1902 W. F. Hillebrand & S. L. Penfield in Amer. Jrnl. Sci. 164 219 It has seemed to the writers best to designate the new compounds described in this article as natrojarosite and plumbojarosite, the names signifying their relation to a well known species. 1938 Jrnl. Royal Soc. W. Austral. 24 112 This appears to be the first occasion on which either beudantite or plumbojarosite has been found in Australia. 1988 Mining Ann. Rev. (Nexis) June 231 Silver is selectively incorporated into the crystal structures of natrojarosite and plumbojarosite precipitated from sulphate solution. ΚΠ 1877 J. B. Hannay in Mineral. Mag. 1 152 I propose to name the minerals as follows:..3 Mn2S.Pbs Plumbo-manganite. plumbomethyl n. Brit. /ˌplʌmbə(ʊ)ˈmiːθʌɪl/ , /ˌplʌmbə(ʊ)ˈmɛθʌɪl/ , /ˌplʌmbə(ʊ)ˈmɛθ(ᵻ)l/ , U.S. /ˌpləmboʊˈmɛθ(ə)l/ Chemistry rare a compound or radical containing methyl groups bonded to one or more lead atoms.ΚΠ 1907 N.E.D. at Plumbo- Plumbomethyl, a compound of lead with molecules of methyl, as plumbotrimethyl Pb(CH3)3; plumbotetramethyl Pb(CH3)4, a colourless mobile liquid (Watts Dict. Chem. III. 563). ΘΚΠ the world > the earth > minerals > types of mineral > oxides and hydroxides > antimonites, arsenites, etc. > [noun] > aluminites plombgomme1837 plumbogummite1837 plumboresinite1837 1837 J. D. Dana Syst. Mineral. 230 Plumbo-resinite... Sexaluminate of lead... Aggregations of columnar particles presenting externally reniform or globular shapes. 1854 J. D. Whitney Metallic Wealth U.S. 357 Plumbo-resinite, an ore containing oxide of lead, alumina, and water. ΚΠ 1896 A. H. Chester Dict. Names Minerals 214 Plumbostibnite, an obs. syn. of boulangerite. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < comb. form1832 |
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