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Meaning of barium peroxide

bar'ium perox'ide

Pronunciation: [key]
— Chem. Chem.
  1. a grayish-white, water-insoluble, poisonous powder, BaO, used chiefly in the manufacture of hydrogen peroxide and as a bleaching agent for textiles. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.