- boric acid, orthoboric acid - 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
--1 is a kind of acid
- boric acid, boracic acid - any of various acids containing boron and oxygen
--2 is a kind of acid
--2 has particulars: perboric acid