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plaster of Paris

DEFINITIONS OF: plaster of Paris

1

n 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

Synonyms:
plaster
Types:
gesso
gypsum or plaster of Paris spread on a surface to make it suitable for painting or gilding (or a surface so prepared)
Type of:
calcium sulfate, calcium sulphate
a white salt (CaSO4)
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