plaster of Paris Hear it!

plaster of Paris definition

plaster of Paris

a heavy white powder, calcined gypsum, which, when mixed with water, forms a thick paste that sets quickly: used for casts, moldings, statuary, etc.

Etymology: from use of gypsum from Montmartre in Paris in its manufacture

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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