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 CaSO4·1⁄2H2O or 2CaSO4·H2O made by calcining gypsum and used chiefly for casts and molds in the form of a quick-setting paste with water
Origin of PLASTER OF PARIS
Paris, France
First Known Use: 15th century
Rhymes with PLASTER OF PARIS
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