plaster of paris


plaster of par·is

often capitalized 2d P \-ˈpa-rəs\

Definition of PLASTER OF PARIS

: a white powdery slightly hydrated calcium sulfate CaSO4·12H2O or 2CaSO4·H2O made by calcining gypsum and used chiefly for casts and molds in the form of a quick-setting paste with water

Origin of PLASTER OF PARIS

Paris, France
First Known Use: 15th century

Rhymes with PLASTER OF PARIS

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