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Definition of gypsum noun from the Oxford Advanced Learner's Dictionary

gypsum

noun

/ˈdʒɪpsəm/

/ˈdʒɪpsəm/

[uncountable]

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a soft white mineral like chalk that is found naturally and is used in making plaster of Paris
Word Originlate Middle English: from Latin, from Greek gupsos.

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See gypsum in the Oxford Advanced American Dictionary

Check pronunciation: gypsum

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noun

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