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Meaning of barium carbonate

bar'ium car'bonate

Pronunciation: [key]
— Chem. Chem.
  1. a white, poisonous, water-insoluble powder, BaCO, used chiefly in the manufacture of rodenticides, paints, and dyes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.