hydrofluosilicic, a. Chem.
(ˌhaɪdrəʊfluːəʊsɪˈlɪsɪk)
[f. hydro- d + fluo- + silicic.]
Containing hydrogen, fluorine, and silicon in chemical combination. hydrofluosilicic acid (H2SiF6), or hydrogen silicofluoride, a fuming liquid which gradually attacks glass, esp. on heating.
| 1842 Parnell 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 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. |
So hydrofluoˈsilicate, a salt formed by the union of hydrofluosilicic acid with a base; a silicofluoride.
| 1847 in Craig. |