gypsum

gypsum
The natural hydrated form of calcium sulfate; a component of the stones, plasters, and investments used in dentistry. [L. fr. G. gypsos]

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gyp·sum 'jip-səm n a widely distributed mineral CaSO4·2H2O consisting of hydrous calcium sulfate that is used esp. as a soil amendment and in making plaster of paris

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n.

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gyp·sum (jipґsəm) [L., from Gr. gypsos chalk] native calcium sulfate dihydrate (see calcium sulfate;); when calcined, it becomes plaster of Paris.

Medical dictionary. 2011.

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  • Gypsum — ist eine Bezeichnung für Gips Orte in den Vereinigten Staaten: Gypsum (Colorado) Gypsum (Kansas) Gypsum (Ohio) Gypsum Township (Kansas) Gypsum Creek Township (Kansas) Diese Seite ist eine …   Deutsch Wikipedia

  • Gypsum — Gypsum, CO U.S. town in Colorado Population (2000): 3654 Housing Units (2000): 1210 Land area (2000): 3.680365 sq. miles (9.532101 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.680365 sq. miles (9.532101 sq …   StarDict's U.S. Gazetteer Places

  • Gypsum, CO — U.S. town in Colorado Population (2000): 3654 Housing Units (2000): 1210 Land area (2000): 3.680365 sq. miles (9.532101 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.680365 sq. miles (9.532101 sq. km) FIPS… …   StarDict's U.S. Gazetteer Places

  • Gypsum, KS — U.S. city in Kansas Population (2000): 414 Housing Units (2000): 179 Land area (2000): 0.432824 sq. miles (1.121009 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.432824 sq. miles (1.121009 sq. km) FIPS code …   StarDict's U.S. Gazetteer Places

  • 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… …   The Collaborative International Dictionary of English

  • GYPSUM — Graec. γυψος, quasi γῆ ἑψηθεῖσα, terra cocta, cognata calci res est, Plin. l. 36. c. 24. Plura eius genera, nam et e lapide coquitur, ut in Syria ac Thuriis: et e terra foditur, ut in Cypro ac Perrhpebis: e summa tellure et Tymphaicum est. Qui… …   Hofmann J. Lexicon universale

  • gypsum — substance (hydrated calcium sulphate) used in making plaster, late 14c., from L. gypsum, from Gk. gypsos chalk, according to Klein, perhaps of Semitic origin (Cf. Arabic jibs, Hebrew gephes plaster ) …   Etymology dictionary

  • gypsum — [jip′səm] n. [ME < L < Gr gypsos, chalk, gypsum < Sem] a very soft, monoclinic mineral, CaSO4·2H2O, commonly found with other evaporites in sedimentary rock and used to make plaster of Paris and cement; hydrous calcium sulfate: see MOHS… …   English World dictionary

  • gypsum — ► NOUN ▪ a soft white or grey mineral used to make plaster of Paris and in the building industry. ORIGIN Latin, from Greek gupsos chalk …   English terms dictionary

  • Gypsum — Infobox mineral name = Gypsum category = Mineral boxwidth = boxbgcolor = caption = Desert rose, 10 cm long formula = Calcium Sulfate CaSO4·2H2O molweight = color = White to grey, pinkish red habit = Massive, flat. Elongated and generally… …   Wikipedia

  • gypsum — /jip seuhm/, n. a very common mineral, hydrated calcium sulfate, CaSO4·2H2O, occurring in crystals and in masses, soft enough to be scratched by the fingernail: used to make plaster of Paris, as an ornamental material, as a fertilizer, etc. [1640 …   Universalium

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