Gypsum Definition
jĭpsəm
noun
A very soft, monoclinic mineral, CaSO42H2O, commonly found with other evaporites in sedimentary rock and used to make plaster of Paris and cement; hydrous calcium sulfate.
Webster's New World
Other Word Forms of Gypsum
Noun
Singular:
gypsum
Plural:
gypsumsOrigin of Gypsum
Middle English gipsum from Latin gypsum from Greek gupsos probably of Semitic origin Arabic jibs, jiṭṭ, jaṭṭ from Akkadian gaṭṭu
From American Heritage Dictionary of the English Language, 5th Edition
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From Latin gypsum, from Ancient Greek γύψος (gupsos).
From Wiktionary
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