单词 | plumbian |
释义 | plumbianadj. Mineralogy. Of a mineral: having a (small) proportion of a constituent element replaced by lead. ΘΚΠ the world > the earth > minerals > change processes > [adjective] > having proportion replaced titanian1813 aluminian1930 ferrian1930 ferroan1930 fluorian1930 lithian1930 magnesian1930 manganoan1930 molybdenian1930 nickelian1930 plumbian1930 sodian1930 strontian1930 tantalian1930 thorian1930 vanadian1930 molybdian1951 niobian1956 1930 W. T. Schaller in Amer. Mineralogist 15 571 Lead—plumbian. 1944 C. Palache et al. Dana's Syst. Mineral. (ed. 7) I. 804 Betafite... Plumbian. Samiresite. With Pb:U = 3:8. 1968 I. Kostov Mineral. ii. ii. 169 The following varieties are recognized: (a) of tetrahedrite—ordinary, zincian, ferroan,..plumbian, nickelian, etc. 1993 A. M. Clark Hey's Mineral Index (ed. 3) 553/2 Plumbodolomite, a plumbian dolomite, or possibly a mixture. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.1930 |
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