Meaning of PLASTER OF PARIS

WordNet Dictionary
	Definition:		[n]  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
	Synonyms:		plaster
	See Also:		calcium sulfate, calcium sulphate, gypsum