%ilicic%

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 ]

a. [ Hydro-, 2 + fluorine + silicic. ] (Chem.) Pertaining to, or denoting, a compound consisting of a double fluoride of hydrogen and silicon; silicofluoric. See Silicofluoric. [ 1913 Webster ]

a. [ L. ilex, ilicis, holm oak. ] Pertaining to, or derived from, the holly (Ilex), and allied plants; as, ilicic acid. [ 1913 Webster ]

a. [ Pref. meta- + silicic. ] (Chem.) Designating an acid derived from silicic acid by the removal of water; of or pertaining to such an acid. [ 1913 Webster ]

☞ The salts of metasilicic acid are often called bisilicates, in mineralogy, as Wollastonite (CaSiO3). [ 1913 Webster ]

Metasilicic acid (Chem.), a gelatinous substance, or white amorphous powder, analogous to carbonic acid, and forming many stable salts. [ 1913 Webster ]

a. [ Ortho- + silicic. ] (Chem.) Designating the form of silicic acid having the normal or highest number of hydroxyl groups. [ 1913 Webster ]

a. [ Poly- + silicic. ] (Chem.) Of or pertaining to compounds formed by the condensation of two or more molecules of silicic acid. [ 1913 Webster ]

Polysilicic acid (Chem.), any one of a series of acids formed by the condensation of two or more molecules of silicic acid, with elimination of water. [ 1913 Webster ]

a. [ L. silex, silicis, a flint: cf. F. silicique. ] (Chem.) Pertaining to, derived from, or resembling, silica; specifically, designating compounds of silicon; as, silicic acid. [ 1913 Webster ]

Silicic acid (Chem.), an amorphous gelatinous substance, Si(HO)4, very unstable and easily dried to silica, but forming many stable salts; -- called also orthosilicic acid or normal silicic acid. [ 1913 Webster ]