Meaning of barium thiosulfate

bar'ium thiosul'fate

Pronunciation: [key]
— Chem. Chem.
  1. a white, crystalline, water-insoluble, poisonous solid, BaSO&multiplydot;HO, used chiefly in the manufacture of explosives, matches, paints, and varnishes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.