Definitions
a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)
Word origin
From Latin gypsum, from Ancient Greek γύψος (gúpsos). Doublet of gesso.
Used in a sentence
“...but he has been able to analyze the matter removed, and to prove it, by chemical evidence, to consist of Prussian blue, and gypsum principally.”
“Besides being abundant, gypsum is easily refined into a powder for plaster or formed into sheets of wallboard.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Plaster mineral”6 letters
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