单词 | mullite |
释义 | mulliten. Mineralogy. An orthorhombic silicate of aluminium, Al6Si2O13, that is formed by the action of high temperatures on other aluminium silicates and is used for making refractory porcelains and bricks. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > nesosilicates > [noun] > subsaturate group > mullite mullite1924 1924 N. L. Bowen et al. in Jrnl. Washington Acad. Sci. 14 184 The occurrence in natural rocks necessitates a mineralogical name and for this we propose the term, mullite, after the locality whence came the rocks in which it is here first identified, the Island of Mull. 1930 Engineering 26 Dec. 813/3 The successful application of refractories prepared from..synthetic mullite. 1941 Proc. Prehistoric Soc. 7 64 Porcellanite..is composed of dark spinel and a light fine-grained aggregate of sillimanite and mullite. 1974 Nature 2 Aug. 403/1 Quartz samples..were heated in a vacuum in outgassed mullite or alumina tubes. 1990 Jrnl. Petrol. 31 930 Locally, mullite has also developed in the melt rims..and appears to have nucleated at melt–quartz interfaces. This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022). < n.1924 |
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