| 单词 | plaster of paris |
| 释义 | plaster of Paris (plɑːstər əv pærɪs, plæs-) uncountable noun Plaster of Paris is a type of plaster made from white powder and water which dries quickly. It is used to make plaster casts. plaster of Paris in British Englishnoun Sometimes shortened to: plaster1. a white powder that sets to a hard solid when mixed with water, used for making sculptures and casts, as an additive for lime plasters, and for making casts for setting broken limbs. It is usually the hemihydrate of calcium sulphate, 2CaSO4.H2O 2. the hard plaster produced when this powder is mixed with water: a fully hydrated form of calcium sulphate Word origin C15: from Medieval Latin plastrum parisiense, originally made from the gypsum of Parisplaster of Paris in American English a heavy white powder, calcined gypsum, which, when mixed with water, forms a thick paste that sets quickly: used for casts, moldings, statuary, etc. Word origin from use of gypsum from Montmartre in Paris2 in its manufactureExamples of 'plaster of Paris' in a sentence |
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