plaster of Paris

English dictionary entry

Meanings

noun
  1. A hemihydrate of calcium sulfate, made by calcining gypsum, that hardens when moistened and allowed to dry; used to make casts, molds and sculpture.

Pronunciation

LL-Q1860 (eng)-Vealhurl-plaster of Paris.wav

Word forms

plaster of Paris plaster-of-Paris

Etymology

So named after a large gypsum deposit at Montmartre, Paris.

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