[jip-suh m] /ˈdʒɪp səm/
a very common mineral, hydrated calcium sulfate, CaSO 4 ⋅2H 2 O, 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.
a colourless or white mineral sometimes tinted by impurities, found in beds as an evaporite. It is used in the manufacture of plaster of Paris, cement, paint, school chalk, glass, and fertilizer. Composition: hydrated calcium sulphate. Formula: CaSO4.2H2O. Crystal structure: monoclinic
substance (hydrated calcium sulphate) used in making plaster, late 14c., from Latin gypsum, from Greek gypsos “chalk,” according to Klein, perhaps of Semitic origin (cf. Arabic jibs, Hebrew gephes “plaster”).
A colorless, white, or pinkish mineral. Gypsum occurs as individual blade-shaped crystals or as massive beds in sedimentary rocks, especially those formed through the evaporation of saline-rich water. It is used in manufacturing plasterboard, cement, and fertilizers. Chemical formula: CaSO4·2H2O.
noun 1. wallboard composed primarily of gypsum and often used as sheathing.
[jip-see] /ˈdʒɪp si/ noun, plural Gypsies. 1. a member of a nomadic, Caucasoid people of generally swarthy complexion, who migrated originally from India, settling in various parts of Asia, Europe, and, most recently, North America. 2. Romany; the language of the Gypsies. 3. (lowercase) a person held to resemble a gypsy, especially in physical characteristics […]
noun 1. plaster made primarily of gypsum.
noun 1. a taxicab that is licensed only to pick up passengers on call by telephone, but that often illegally seeks passengers on the street. noun phrase A taxicab operating without a taxi license or medallion, or with only a livery license that does not entitle it to pick up passengers on the street: the […]