noun Chemistry.

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)
Related formsba·ryt·ic [buh-rit-ik] /bəˈrɪt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for baryta



another name for barium oxide, barium hydroxide
Derived Formsbarytic (bəˈrɪtɪk), adjective

Word Origin for baryta

C19: New Latin, from Greek barutēs weight, from barus heavy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012