Metasilicic /(?)/

Met·a·si·lic·ic

Metasilicic

a.
  1. Designating an acid derived from silicic acid by the removal of water; of or pertaining to such an acid. (Chem.)

Phrases & Compounds
Metasilicic acid
a gelatinous substance, or white amorphous powder, analogous to carbonic acid, and forming many stable salts.