单词 | keffekill |
释义 | keffekilln. Mineralogy. Obsolete. rare. = meerschaum n. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > smectites > sepiolite keffekill1784 meerschaum1784 myrsen1794 sea-froth1801 magnesite1837 sea-foam1837 sepiolite1854 magnesium trisilicate1936 1758 Cronstedt Mineralogie 79 states, that the Keffekil Tartarorum was used by the Tartars as soap.] 1784 R. Kirwan Elements Mineral. 59 Meershaum of the Germans, Keffekill. 1796 R. Kirwan Elem. Mineral. (ed. 2) I. 145 Keffekill or myrsen..is said to be when recently dug of a yellow colour, and as tenacious as cheese or wax. 1807 T. Thomson Syst. Chem. (ed. 3) II. 477 To the first of these classes belongs the ruby; to the second, steatites and kiffekille. This entry has not yet been fully updated (first published 1901; most recently modified version published online December 2020). < n.1784 |
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