gypsum

noun

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

Examples of gypsum in a Sentence

Recent Examples on the Web
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Some 70% of sawmill and wood product imports, which are already subject to tariffs, come from Canada, and 71% of lime and gypsum products come from Mexico. Lew Sichelman, Miami Herald, 11 Feb. 2025 According to the association, about 70% of softwood lumber (for framing) and gypsum (for drywall) used to construct single- and multi-family homes in the U.S. are imported from Canada and Mexico, respectively. Jessica Boehm, Axios, 5 Feb. 2025 And 71% of lime and gypsum product imports are from Mexico, totaling $352 million. Diana Olick, CNBC, 3 Feb. 2025 Pipe decay Sinkholes are most common in areas underlain by rocks like gypsum, limestone and other carbonate rocks, which can be naturally dissolved by groundwater, according to the United States Geological Survey (USGS). Yumi Asada, Chris Lau and Minori Konishi, CNN, 31 Jan. 2025 See all Example Sentences for gypsum 

Word History

Etymology

Latin, from Greek gypsos

First Known Use

14th century, in the meaning defined at sense 1

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

Dictionary Entries Near gypsum

Cite this Entry

“Gypsum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gypsum. Accessed 21 Feb. 2025.

Kids Definition

gypsum

noun
gyp·​sum ˈjip-səm How to pronounce gypsum (audio)
: a colorless mineral that consists of calcium sulfate occurring in crystals or masses and that is used especially as a soil improver and in making plaster of paris

Medical Definition

gypsum

noun
gyp·​sum ˈjip-səm How to pronounce gypsum (audio)
: 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

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