from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A fine white powder, BaSO4, used as a pigment, as a filler for textiles, rubbers, and plastics, and as a contrast medium in x-ray photography of the digestive tract.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a white insoluble radiopaque powder used as a pigment
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