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单词 cryolite
释义

cryoliten.

Brit. /ˈkrʌɪəlʌɪt/, U.S. /ˈkraɪəˌlaɪt/
Forms: 1800s chryolite, 1800s– cryolite, 1800s– kryolite (now rare).
Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: cryo- comb. form, -lite comb. form1.
Etymology: < cryo- comb. form + -lite comb. form1, after German Kryolith, †Kryolit, †Cryolit, †Chryolit (P. C. Abildgaard 1799, in Allgemeines Jrnl. der Chem. 2 502, as Chryolit , reporting work by another scholar called d'Andrada); for the reason for the name compare quot. 1800. Compare French cryolithe (1799).
Mineralogy.
A mineral consisting of a fluoride of aluminium and sodium which occurs typically as white or colourless massive deposits and is used in electrolytic aluminium smelting as a flux to dissolve bauxite.Chemical formula: Na3AlF6. Crystal system: monoclinic.
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the world > the earth > minerals > types of mineral > halides > [noun] > other fluorides
cryolite1800
yttrocerite1817
fluocerite1835
prosopite1854
pachnolite1866
thomsenolite1868
tysonite1880
hieratite1882
villiaumite1908
neighborite1961
1800 Philos. Mag. 7 259 It fuses by the flame of a taper, and flows like glass [read ice: Fr. glace] by the blow-pipe: for this reason it has been called at Copenhagen cryolite.
1877 R. W. Raymond Statistics Mines & Mining 427 Kryolite from spathic iron.
1888 Times 19 Nov. 10/3 The cryolite mines at Ivigtut.
1928 Pop. Sci. Monthly Feb. 36 Hall found that melted cryolite readily dissolves powdered bauxite.
1968 Ceramic Processing (National Res. Council (U.S.) Comm. Ceramic Processing) 98 Growth of reasonably large sapphire and ruby single crystals has been accomplished from a cryolite (i.e. Na3AlF6) solvent.
2007 Independent (Nexis) 17 Sept. 32 When the Second World War came the US moved into Greenland to mine cryolite.
This entry has been updated (OED Third Edition, June 2011; most recently modified version published online March 2022).
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n.1800
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