9 Grammatical Pitfalls
barium sulfate n.
A fine white powder used as a pigment and as a contrast medium in x-ray photography of the digestive tract.
|barium sulfate |
A fine white powder used in making textiles, rubber, and plastic. It is also used in diagnostic imaging of the digestive tract. Barium sulfate occurs in nature as the mineral barite. Chemical formula: BaSO4.