-ˈpa-rəs \
Definition of plaster of paris
: 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
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More Definitions for plaster of paris
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Kids Definition of plaster of paris
: a white powder that mixes with water to form a paste that hardens quickly and is used for casts and molds
plaster of paris
noun
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Medical Definition of plaster of paris
: 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
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