Flu`o*si*lic"ic (?), a. [Fluo- + silicic: cf. F. fluosilicique.] Chem.
Composed of, or derived from, silicon and fluorine.
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.
© Webster 1913.