plaster of paris
Usage: often capitalized 2d P Etymology: Paris, France Date: 15th century a white powdery slightly hydrated calcium sulfate CaSO4• 1/2H2O or 2CaSO4•H2O made by calcining gypsum and used chiefly for casts and molds in the form of a quick-setting paste with water

New Collegiate Dictionary. 2001.


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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 — 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 — plas′ter of Par′is (or par′is) n. fia calcined gypsum in white, powdery form, used as a base for gypsum plasters, as an additive of lime plasters, and as a material for fine and ornamental casts • Etymology: 1375–1425; so called because prepared… …   From formal English to slang

  • plaster of paris — white, powdery gypsum first prepared from calcinated gypsum of Paris, France …   Eponyms, nicknames, and geographical games

  • plaster of Paris — noun any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs (Freq. 1) • Syn: ↑plaster •… …   Useful english dictionary

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