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Definition of Orthoboric 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.
Definition of Orthoboric acid
1. Noun. (inorganic compound) Any of several poorly-characterized acids that are hydrates of boric oxide ¹
¹ Source: wiktionary.com