- Also called calcined baryta, barium oxide, barium monoxide, barium protoxide. a white or yellowish-white poisonous solid, BaO, highly reactive with water: used chiefly as a dehydrating agent and in the manufacture of glass.
- Also called caustic baryta, barium hydroxide, barium hydrate. the hydroxide, hydrated form of this compound, Ba(OH)2⋅8H2O, used chiefly in the industrial preparation of beet sugar and for refining animal and vegetable oils.
- a white poisonous crystalline solid, used in the manufacture of organic compounds and in the preparation of beet sugar. Formula: Ba(OH) 2Also called: baryta
- A water soluble base used as a chemical reagent.