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Definition of Boric acid
1. Noun. A white or colorless slightly acid solid that is soluble in water and ethanol; used in the manufacture of glass and paper and adhesives and in detergents and as a flux in welding; also used as an antiseptic and food preservative.
2. Noun. Any of various acids containing boron and oxygen.
Definition of Boric acid
1. Noun. (chemistry) H3BO3; 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. ¹
2. Noun. (chemistry) A hydrate of boric oxide, specifically any of the three acids orthoboric acid, metaboric acid(,) or pyroboric acid. ¹
¹ Source: wiktionary.com
Medical Definition of Boric acid
1. H3BO3;a very weak acid, used as an antiseptic dusting powder, in saturated solution as a collyrium, and with glycerin in aphthae and stomatitis. Synonym: boracic acid. (05 Mar 2000)