plaster of paris

Noun
  1. 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 (synset 115017180)
    is a type of: calcium sulfate, calcium sulphate - a white salt (CaSO4)
    subtypes: gesso - gypsum or plaster of Paris spread on a surface to make it suitable for painting or gilding (or a surface so prepared)
    substance holonym: gypsum - a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)
    same as: plaster

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