barium sulfate Hear it!

barium sulfate definition

barium sulfate

an odorless, tasteless, white powder, BaSO, insoluble in water: it is used as a paint pigment, as a filler for paper, textiles , etc., and as an opaque substance that is ingested to aid in making diagnostic X-rays of the stomach and intestine

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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