What is "fluosilicate"

Fluosilicate \Flu`o*sil"i*cate\, n. [Cf. F. fluosilicate.] (Chem.) A double fluoride of silicon and some other (usually basic) element or radical, regarded as a salt of fluosilicic acid; -- called also silicofluoride.

n. (context inorganic chemistry English) The anion SiF₆^2- derived from fluosilicic acid; any salt containing this anion

n. salt of fluosilicic acid