a white soluble weakly acid crystalline solid used in the manufacture of heat-resistant glass and porcelain enamels, as a fireproofing material, and as a mild antiseptic. Formula: H3BO3
Systematic name: trioxoboric(III) acid
2.
any other acid containing boron
boric acid in American English
a white, crystalline compound, H3BO3, with the properties of a weak acid, used as a mild antiseptic and in the manufacture of glass, enamels, flame retardants, etc.