barium sulfate


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 digestive tract

Examples of barium sulfate in a Sentence

Recent Examples on the Web But mining of barium sulfate was only possible from the 1850s onwards. Quartz, 22 May 2021 The one that performed best is based on barium sulfate, a compound used to whiten photo paper and cosmetics. ABC News, 25 Apr. 2021 The paint is made with barium sulfate, an additive used in paper and makeup. Caroline Delbert, Popular Mechanics, 16 Apr. 2021 In addition barium sulfate was found in large quantities. Quartz, 22 May 2021 Finally, the team made sure the barium sulfate particles came in a variety of sizes because each size scatters a different wavelength of light. Sophie Bushwick, Scientific American, 21 May 2021 The scientists made sure the paint had a high concentration of barium sulfate particles of many different sizes. ABC News, 25 Apr. 2021 Purdue University engineers made the paint, which consists primarily of barium sulfate, a compound used in cosmetics and ultrawhite paper products. Caroline Delbert, Popular Mechanics, 16 Apr. 2021 The oldest layer of crystals, which include the mineral barite (barium sulfate), formed at temperatures of about 100°C. Sid Perkins, Science | AAAS, 18 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'barium sulfate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of barium sulfate

1865, in the meaning defined above

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Time Traveler for barium sulfate

Time Traveler

The first known use of barium sulfate was in 1865

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Statistics for barium sulfate

Last Updated

12 Jun 2021

Cite this Entry

“Barium sulfate.” Dictionary, Merriam-Webster, Accessed 13 Jun. 2021.

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More Definitions for barium sulfate

barium sulfate


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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