Définitions
1.NounH3BO3; B(OH)3; a white crystalline solid, soluble in hot water to form a weak acid. Used as a mild antiseptic, flame retardant, insecticide, and in the manufacture of borax and other borate salts.
2.NounA hydrate of boric oxide, specifically any of the three acids orthoboric acid, metaboric acid, or pyroboric acid.