barium sulfate


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

First Known Use of BARIUM SULFATE

1866

barium sulfate

noun    (Medical Dictionary)

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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