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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 gyp·sum /ˈʤɪpsəm/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 gyp·sum /ˈʤɪpsəm/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Gyp·sum n.  Min. 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.

From: WordNet (r) 2.0

      n : a common white or colorless mineral (hydrated calcium
          sulphate) used to make cements and plasters (especially
          plaster of Paris)