metasilicic, a. [Pref. meta- + silicic.].
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.