gyp·​sum | \ ˈjip-səm How to pronounce gypsum (audio) \

Definition of gypsum

1 : a widely distributed mineral consisting of hydrous calcium sulfate that is used especially as a soil amendment and in making plaster of paris
2 : drywall

Examples of gypsum in a Sentence

Recent Examples on the Web Conservation groups are still seeking protections for a rare plant that scuttled plans for a gypsum mine in the Bighorn Basin area, the Casper Star-Tribune reports. From Usa Today Network And Wire Reports, USA TODAY, 26 Apr. 2022 There were double-digit percentage price increases last year on what is now, at the median, a $408,000 collection of new gypsum and sticks. New York Times, 18 Feb. 2022 This massive gypsum dune field is almost as white as snow, making for painting-like sunsets and otherworldly walks on bright, cloudless days. Outside Online, 15 June 2021 As of April 15, there is approximately 258 million gallons of wastewater still in the gypsum stack. Li Cohen, CBS News, 25 Apr. 2022 Pemex constructed a stabilization area at La Carbonera, an open-air site containing mounds of coal, sulfur and carbon, and waste sulfuric acid and gypsum. Palabra, oregonlive, 21 Mar. 2022 Although lime plaster was commonly used in Mitanni at the time, Egyptians preferred to use gypsum plaster. Jennifer Ouellette, Ars Technica, 23 Feb. 2022 White Sands, America’s newest national park, is the largest gypsum dune field in the world. Emily Pennington, Outside Online, 26 Mar. 2020 The gypsum dunes are fragile, and hikers must stay on areas marked for access. Eric Jay Toll, Chron, 7 Dec. 2021 See More

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

First Known Use of gypsum

14th century, in the meaning defined at sense 1

History and Etymology for gypsum

Latin, from Greek gypsos

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Time Traveler for gypsum

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The first known use of gypsum was in the 14th century

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Dictionary Entries Near gypsum



gypsum block

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Statistics for gypsum

Last Updated

19 May 2022

Cite this Entry

“Gypsum.” Dictionary, Merriam-Webster, Accessed 24 May. 2022.

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More Definitions for gypsum


gyp·​sum | \ ˈjip-səm How to pronounce gypsum (audio) \

Medical Definition of gypsum

: a widely distributed mineral CaSO4·2H2O consisting of hydrous calcium sulfate that is used especially as a soil amendment and in making plaster of paris

More from Merriam-Webster on gypsum

Nglish: Translation of gypsum for Spanish Speakers

Britannica English: Translation of gypsum for Arabic Speakers Encyclopedia article about gypsum


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