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Thesaurus: gypsum

A mineral consisting of the hydrous sulphate of lime (calcium). When calcined, it forms plaster of Paris. Selenite is a transparent, crystalline variety; alabaster, a fine, white, massive variety.

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  1. n. A mineral consisting of the hydrous sulphate of lime (calcium). When calcined, it forms plaster of Paris. Selenite is a transparent, crystalline variety; alabaster, a fine, white, massive variety.
  2. n. a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)
  3. A mineral consisting of the hydrous sulphate of lime (calcium). When calcined, it forms plaster of Paris. Selenite is a transparent, crystalline variety; alabaster, a fine, white, massive variety.
  4. A mineral consisting of the hydrous sulphate of lime (calcium).When calcined, it forms plaster of Paris. Selenite is a transparent,crystalline variety; alabaster, a fine, white, massive variety.
  5. n:100 n. a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)