pyroboric
Pyr`o*bo"ric, a. Etym: [Pyro- + boric.] (Chem.) Defn: Pertaining to derived from, or designating, an acid, H2B4O7 (called also tetraboric acid), which is the acid ingredient of ordinary borax, and is obtained by heating boric acid.
Pyr`o*bo"ric, a. Etym: [Pyro- + boric.] (Chem.) Defn: Pertaining to derived from, or designating, an acid, H2B4O7 (called also tetraboric acid), which is the acid ingredient of ordinary borax, and is obtained by heating boric acid.