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| a medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc. | ||||
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| 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 | ||||
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| a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings |