boric acid Also called boracic acid, H3BO3, a colorless crystalline solid and a weak inorganic acid. It gives boric oxide (B2O3) when strongly heated; sodium borate (see sodium) typifies its salts. Boric acid is used as an external antiseptic, in the production of glass, and as a welding flux. Related category • INORGANIC CHEMISTRY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |