Meaning | 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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Synonym | plaster |
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Narrower | gesso | gypsum or plaster of Paris spread on a surface to make it suitable for painting or gilding (or a surface so prepared) |
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Broader | calcium sulphate, calcium sulfate | A white salt (CaSO4) |
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Substances | gypsum | A common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters / plasters (especially plaster of Paris) |
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Spanish | yeso blanco |
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Catalan | guix |
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