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English definition of “plaster of Paris”

plaster of Paris

noun [U]     /ˌplɑː.stər.əvˈpær.ɪs/ US  /ˌplæs.tɚ.əvˈper-/
a mixture of a white powder and water that becomes hard quickly as it dries and is used especially to make plaster casts Medical dressings, supports and devices
(Definition of plaster of Paris noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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