plaster of Paris

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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 (Freq. 1)
• Syn:
plaster
• Derivationally related forms:
plaster (for: plaster)
• Hypernyms:
calcium sulphate, calcium sulfate
• Hyponyms:
gesso
• Substance Meronyms:
gypsum