Word Study
baryta
CIDE DICTIONARY
baryta, n. [Gr. bary`s heavy. Cf. Baria.].
An oxide of barium (or barytum); a heavy earth with a specific gravity above 4. [1913 Webster]
OXFORD DICTIONARY
baryta, n. barium oxide or hydroxide.
Derivative
barytic adj.
Etymology
BARYTES, after soda etc.
For further exploring for "baryta" in Webster Dictionary Online