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
Alabaster Caverns is the nation’s only gypsum show cave.
—
Pat Tompkins, AFAR Media, 4 Apr. 2025
Substances such as silica and gypsum could cause life-threatening lung damage and be absorbed into the bloodstream.
—Daniel Wine, CNN Money, 26 Mar. 2025
In tests of the Algerian gypsum, the team using the LIMS found evidence of fossil filaments of sulfur-oxidizing bacteria, sinilar to modern Beggiatoa and Thioploca.
—David Szondy, New Atlas, 26 Feb. 2025
Two key materials used in home construction, softwood lumber and gypsum products including lime, are largely sourced from Canada and Mexico, respectively.
—Mike Winters, CNBC, 5 Mar. 2025
See All Example Sentences for gypsum
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Pat Tompkins, AFAR Media, 4 Apr. 2025
Substances such as silica and gypsum could cause life-threatening lung damage and be absorbed into the bloodstream.
—Daniel Wine, CNN Money, 26 Mar. 2025
In tests of the Algerian gypsum, the team using the LIMS found evidence of fossil filaments of sulfur-oxidizing bacteria, sinilar to modern Beggiatoa and Thioploca.
—David Szondy, New Atlas, 26 Feb. 2025
Two key materials used in home construction, softwood lumber and gypsum products including lime, are largely sourced from Canada and Mexico, respectively.
—Mike Winters, CNBC, 5 Mar. 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 14 Apr. 2025.
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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