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• plaster, plaster of paris
• 石膏, 焼石膏, 焼き石膏, 焼セッコウ
• 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
• 数種の石膏セメントの総称