hydrofluosilicicadj.
/ˌhʌɪdrəʊfluːəʊsɪˈlɪsɪk/ Chemistry.
Containing hydrogen, fluorine, and silicon in chemical combination. hydrofluosilicic acid (H2SiF6), or hydrogen silicofluoride, a fuming liquid which gradually attacks glass, esp. on heating.
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the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > containing halogen > fluorine
muriatic acid1755
hydrofluoric acid1822
hydrofluosilicic acid1842
hydrofluoboric acid1849
1842 E. A. Parnell Elements Chem. Anal. (1845) 315 Strontian and barytes are separated from each other, when in solution, by hydrofluosilicic acid, which precipitates barytes..but not strontian.
1853 W. Gregory Inorg. Chem. (ed. 3) 191 Hydrofluosilicic acid is the only test that forms a precipitate in cold and pretty strong solutions of soda salts.
Derivatives
hydrofluoˈsilicate n. a salt formed by the union of hydrofluosilicic acid with a base; a silicofluoride.
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1847 in J. Craig New Universal Dict.
This entry has not yet been fully updated (first published 1899; most recently modified version published online September 2018).
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