Fluosilicic \Flu`o*si*lic"ic\, a. [Fluo- + silicic: cf. F.
fluosilicique.] (Chem.)
Composed of, or derived from, silicon and fluorine.
[1913 Webster]
{Fluosilicic acid}, a double fluoride of hydrogen and
silicon, {H2F6Si}, obtained in solution in water as a sour
fuming liquid, and regarded as the type of the
fluosilicates; -- called also {silicofluoric acid}, and
{hydrofluosilicic acid}.
[1913 Webster]