- 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.
Origin of baryta
1800–10; < New Latin, equivalent to bary- (< Greek barýs heavy) + -ta (< Greek -(i)tēs -ite1)
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C19: New Latin, from Greek barutēs weight, from barus heavy
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