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barium sulphate

British  

noun

  1. Also called: blanc fixe.  a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO 4

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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He gives his patient a sip of barium sulphate in thick cream and a moment later has him rub his belly.

From Time Magazine Archive

When the X-ray was discovered, barium sulphate, which is opaque to the Xray, was given, and the passage of the barium was observed through the fluoroscope.

From Time Magazine Archive

Ordinary x-ray pictures, taken after the patient has eaten a paste of barium sulphate, show only the outline of the stomach.

From Time Magazine Archive

And in cauk, a form of barium sulphate, Josiah found what he wanted.

From Time Magazine Archive

Artificially-prepared barium sulphate is used as a pigment, Permanent White, also in the paper industry and in vulcanizing rubber.

From The New Gresham Encyclopedia. Vol. 1 Part 3 Atrebates to Bedlis by Various

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