a gray or yellowish-green, water-soluble, poisonous powder, BaS, used chiefly as a depilatory and as an intermediate in the synthesis of pigments, especially lithopone.
- Barium sulphate
noun a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4 Also called blanc fixe Historical Examples barium sulphate occurs in nature in the form of heavy white crystals. An Elementary Study of Chemistry William McPherson What weight of barium sulphate will […]
- Barium thiosulfate
a white, crystalline, water-insoluble, poisonous solid, BaS 2 O 3 ⋅H 2 O, used chiefly in the manufacture of explosives, matches, paints, and varnishes.
- Barium titanate
a crystalline compound, BaTiO 3 , used to make ferroelectric ceramics for capacitors and also used in transducers. noun a crystalline ceramic used in capacitors and piezoelectric devices. Formula: BaTiO3
- Barium x-ray
GI series. gastrointestinal series: x-ray examination of the upper or lower gastrointestinal tract after barium sulfate is given rectally (barium enema) or orally as a contrast medium.