Dictionary
barium sulfate
noun
Definition of BARIUM SULFATE
: a crystalline insoluble compound BaSO4 that is used especially as a pigment and extender, as a filler (as in fluids used in gas and oil drilling), and as a substance opaque to X rays in medical photography of the alimentary canal
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First Known Use of BARIUM SULFATE
1866
Medical Dictionary
barium sulfate
noun
Medical Definition of BARIUM SULFATE
: a colorless crystalline insoluble salt BaSO4 occurring in nature as barite and used medically chiefly as a radiopaque substance
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