barium sulphate

British

noun

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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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

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

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

From Time Magazine Archive

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

Blanc fixe is the precipitated form of barium sulphate, resulting from the action of soluble barium salts on soluble sulphates.

From Paint Technology and Tests by Gardner, Henry A.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023