单词 | muckite |
释义 | muckiten.1 Mineralogy. An opaque, yellow resinous variety of retinite found in coal-beds in Moravia, in the Czech Republic. ΘΚΠ the world > the earth > minerals > types of mineral > hydrocarbon minerals > [noun] > resins > others Highgate1813 lucullite1819 guayaquillite1838 fichtelite1844 ixolite1846 branchite1851 xyloretin1852 retinite1853 anthracoxene1858 kauri resin1858 tasmanite1864 kauri gum1867 xyloretinite1868 wheelerite1874 ionite1877 muckite1879 1879 Mineral. Mag. 2 265 The mineral from the lower of the two coal beds, and for which the name ‘Muckite’ is proposed, is disseminated throughout the coal in morsels of from 1 millimetre to 3 centimetres in size, and in small bands. 1954 S. I. Tomkeieff Coals & Bitumens 69/1 Muckite, yellow resin found in the form of minute particles in coal in Moravia. 1978 Jrnl. Archaeol. Sci. 5 345 A resin labelled copalite comes from Nová Ves and is no doubt identical with neudorfite and/or muckite. 1993 A. M. Clark Hey's Mineral Index (ed. 3) 473/2 Muckite, a yellow resin from Neudorf, Moravia, Romania. This is a new entry (OED Third Edition, March 2003; most recently modified version published online March 2022). muckiten.2 Now rare. Perhaps Obsolete. A bituminous plastic, esp. one made up of a variety of materials. ΘΚΠ society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > plastic plastic1909 muckite1935 1935 Economist 7 Dec. 1142/2 Phenolic plastics are used for various mouldings,..while muckites are used as dielectrics for battery casings, etc. 1936 H. W. Rowell Technol. Plastics x. 60 These compositions are the original types used in the moulding industry and although the moulder of the modern synthetic types may sometimes refer to them as ‘muckites’, on account of their assorted composition, they have their own useful field and a large tonnage is moulded. 1949 J. Maitland-Edwards Elem. Plastics x. 169 Bitumen plastics have been dubbed ‘muckites’ in the industry on account of their poor colour, low price and mineral origin. This is a new entry (OED Third Edition, March 2003; most recently modified version published online March 2022). < |
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