gypsum

3 definitions found

gypsum - Collaborative International Dictionary of English v.0.48 :

  Gypsum \Gyp"sum\ (j[i^]p"s[u^]m), n. [L. gypsum, Gr. gy`psos;
     cf. Ar. jibs plaster, mortar, Per. jabs[imac]n lime.] (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.
     [1913 Webster]

gypsum - WordNet (r) 2.1 (2005) :

  gypsum
      n 1: a common white or colorless mineral (hydrated calcium
           sulphate) used to make cements and plasters (especially
           plaster of Paris)

gypsum - U.S. Gazetteer (1990) :

  Gypsum, CO (town, FIPS 33695)
    Location: 39.64342 N, 106.94773 W
    Population (1990): 1750 (642 housing units)
    Area: 4.9 sq km (land), 0.0 sq km (water)
    Zip code(s): 81637
  Gypsum, KS (city, FIPS 29250)
    Location: 38.70579 N, 97.42655 W
    Population (1990): 365 (168 housing units)
    Area: 1.0 sq km (land), 0.0 sq km (water)
    Zip code(s): 67448