boric acid

noun

1. Also called orthoboric acid. Chemistry, Pharmacology.,  a white, crystalline acid, H 3 BO 3 , occurring in nature or prepared from borax: used chiefly in the manufacture of ceramics, cements, glass, and enamels, for fireproofing, and in medicine in aqueous solution as a mild antiseptic.

2. Chemistry.,  any of a group of acids containing boron.

boric acid

noun

1. Systematic name: trioxoboric(III) acid. Also called: orthoboric acid. 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: H 3 BO 3

2. any other acid containing boron

boric acid

1. A white or colorless crystalline compound that occurs naturally or is produced artificially from borax. It is used as an antiseptic and preservative, and in cements, enamels, and cosmetics. Chemical formula: H ₃ BO ₃ .

Word History and Origins

Origin of boric acid¹

First recorded in 1865–70