- plaster of Paris
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A hemihydrate of calcium sulfate, made by calcining gypsum, that hardens when moistened and allowed to dry; used to make casts, molds or sculpture
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plaster of Paris
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Plaster of Paris — Plaster Plas ter, n. [AS., a plaster (in sense 1), fr. L. emplastrum, Gr. ?, ?, fr. ? to daub on, stuff in; ? in + ? to mold: cf. OF. plastre a plaster (in sense 2), F. pl[^a]tre. Cf. {Plastic}, {Emplaster}, {Piaster}.] [Formerly written also… … The Collaborative International Dictionary of English
plaster of Paris — mid 15c.; originally it was made from the extensive gypsum deposits of Montmartre in Paris … Etymology dictionary
plaster of Paris — n. [from use of gypsum from Montmartre in PARIS2 in its manufacture] a heavy white powder, calcined gypsum, which, when mixed with water, forms a thick paste that sets quickly: used for casts, moldings, statuary, etc … English World dictionary
plaster of Paris — calcined gypsum in white, powdery form, used as a base for gypsum plasters, as an additive of lime plasters, and as a material for making fine and ornamental casts: characterized by its ability to set rapidly when mixed with water. Also, plaster… … Universalium
plaster of Paris — [[t]plɑ͟ːstər əv pæ̱rɪs, plæ̱s [/t]] N UNCOUNT Plaster of Paris is a type of plaster made from white powder and water which dries quickly. It is used to make plaster casts … English dictionary
plaster of Paris — Most of the houses in France are made of plaster of Paris … English expressions
Plaster of Paris bandage — Plaster Plas ter, n. [AS., a plaster (in sense 1), fr. L. emplastrum, Gr. ?, ?, fr. ? to daub on, stuff in; ? in + ? to mold: cf. OF. plastre a plaster (in sense 2), F. pl[^a]tre. Cf. {Plastic}, {Emplaster}, {Piaster}.] [Formerly written also… … The Collaborative International Dictionary of English
plaster of Paris — plaster of Par|is [ˌpla:stər əv ˈpærıs US ˌplæs ] n [U] a mixture of a white powder and water that dries fairly quickly and is used for making plaster casts and to decorate buildings … Dictionary of contemporary English
plaster of paris — plaster of par·is par əs n a white powdery slightly hydrated calcium sulfate CaSO4·1/2H2O or 2CaSO4·H2O that is made by calcining gypsum, forms a quick setting paste with water, and is used in medicine chiefly in casts and for surgical bandages * … Medical dictionary
plaster-of-Paris disease — atrophy of a limb that has been enclosed in a plaster of Paris splint … Medical dictionary
plaster-of-Paris jacket — a casing of plaster of Paris enveloping the body for the purpose of correcting deformities … Medical dictionary
