calcium sulphate

Other forms: calcium sulphates

Definitions of calcium sulphate

1. noun

   a white salt (CaSO4)
   synonyms: calcium sulfate

   types:

   gypsum

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

   plaster, plaster of Paris

   any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs

   alabaster

   a compact fine-textured, usually white gypsum used for carving

   gesso

   gypsum or plaster of Paris spread on a surface to make it suitable for painting or gilding (or a surface so prepared)

   terra alba

   finely pulverized gypsum used especially as a pigment

   type of:

   salt

   a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)