'hydrofluosilicic acid' definitions:

Definition of 'hydrofluosilicic acid'

(from WordNet)
noun
An unstable poisonous corrosive acid known primarily in the form of its salts [syn: fluosilicic acid, hydrofluosilicic acid]

Definition of 'hydrofluosilicic acid'

From: GCIDE
  • 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]