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Noun plaster of paris has 1 sense
- plaster of Paris, plaster - 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
--1 is a kind of calcium sulphate, calcium sulfate
--1 has substances: gypsum
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