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
Union leadership has not communicated with the company since the Sept. 16 walkout at the gypsum plant on Minaker Drive.
—
Hema Sivanandam, The Mercury News, 30 Sep. 2024
The team has seen evidence of bright white calcium sulfate, also known as gypsum, within cracks on the Martian surface that are essentially hard-water deposits left behind by ancient groundwater flows.
—Ashley Strickland, CNN, 20 July 2024
The inner walls of the brick tomb chambers were coated with gypsum mud, according to the release, and glazed pottery urns were discovered in the vertical tombs.
—Irene Wright, Miami Herald, 10 July 2024
The reservoir contained stacks of gypsum, a slightly radioactive byproduct of phosphate fertilizer production.
—Curt Anderson, Sun Sentinel, 9 July 2024
See all Example Sentences for gypsum 
Hema Sivanandam, The Mercury News, 30 Sep. 2024
The team has seen evidence of bright white calcium sulfate, also known as gypsum, within cracks on the Martian surface that are essentially hard-water deposits left behind by ancient groundwater flows.
—Ashley Strickland, CNN, 20 July 2024
The inner walls of the brick tomb chambers were coated with gypsum mud, according to the release, and glazed pottery urns were discovered in the vertical tombs.
—Irene Wright, Miami Herald, 10 July 2024
The reservoir contained stacks of gypsum, a slightly radioactive byproduct of phosphate fertilizer production.
—Curt Anderson, Sun Sentinel, 9 July 2024
See all Example Sentences for gypsum
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Cite this Entry
“Gypsum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gypsum. Accessed 15 Oct. 2024.
Copy CitationKids Definition
gypsum
noun
gyp·sum
ˈjip-səm 
: 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
: 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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