Met`a*si*lic"ic (?), a. [Pref. meta-
+ silicic.] (Chem.) Designating an acid
derived from silicic acid by the removal of water; of or pertaining
to such an acid.
☞ The salts of metasilicic acid are often called
bisilicates, in mineralogy, as Wollastonite
(CaSiO3).
Metasilicic acid (Chem.), a
gelatinous substance, or white amorphous powder, analogous to
carbonic acid, and forming many stable salts.