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
Carts piled high with lime, fertilizer, gypsum, compost-in-a-bag, and something in a shiny package that promises instant results.
—
Dr. Avishesh Neupane, Hartford Courant, 4 Jan. 2026
The heavy 4-by-8-foot sheets, also known as wallboard, sheetrock, gypsum or plasterboard, have been a cheap and ubiquitous wall covering for nearly a century.
—David McGrath, Chicago Tribune, 1 Jan. 2026
The forecast said nearly 70% of all lumber imports come from Canada and roughly the same percentage of all gypsum imports, a major component of drywall, are from Mexico.
—David Lightman, Sacbee.com, 3 Dec. 2025
The observations show that the Hebrus Valles region is rich in carbonate rock such as limestone and sulfate rock such as gypsum.
—Keith Cooper, Space.com, 24 Nov. 2025
See All Example Sentences for gypsum
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Dr. Avishesh Neupane, Hartford Courant, 4 Jan. 2026
The heavy 4-by-8-foot sheets, also known as wallboard, sheetrock, gypsum or plasterboard, have been a cheap and ubiquitous wall covering for nearly a century.
—David McGrath, Chicago Tribune, 1 Jan. 2026
The forecast said nearly 70% of all lumber imports come from Canada and roughly the same percentage of all gypsum imports, a major component of drywall, are from Mexico.
—David Lightman, Sacbee.com, 3 Dec. 2025
The observations show that the Hebrus Valles region is rich in carbonate rock such as limestone and sulfate rock such as gypsum.
—Keith Cooper, Space.com, 24 Nov. 2025
See All Example Sentences for gypsum
Cite this Entry
“Gypsum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gypsum. Accessed 17 Jan. 2026.
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
Love words? Need even more definitions?
Merriam-Webster unabridged
