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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.

A compact variety or sulphate of lime, or gypsum, of fine texture, and usually white and translucent, but sometimes yellow, red, or gray. It is carved into vases, mantel ornaments, etc.

lightly bluish color, usually massive. It is anhydrous sulphate of lime, and differs from gypsum in not containing water (whence the name).

A genus of extinct quadrupeds of the order Ungulata, whose were first found in the gypsum quarries near Paris; characterized by the shortness and feebleness of their canine teeth (whence the name).

way of compliance, fulfillment, reciprocation, or satisfaction; to serve the purpose; as, gypsum answers as a manure on some soils. Do the strings answer to thy noble hand Dryden.

Plaster of Paris, or gypsum, esp. as prepared for use in painting, or in making bas-reliefs and the like; by extension, a plasterlike or pasty material spread upon a surface to fit it for painting or gilding, or a surface so prepared.

See Gypsum. [Obs.] Pococke.

Resembling or containing gypsum; partaking of the qualities of gypsum.

Containing gypsum.

The act or art of engraving on gypsum.

Gypsum or plaster stone.

Calcined gypsum, or plaster of Paris, especially when ground, as used for making ornaments, figures, moldings, etc.; or calcined gypsum used as a fertilizer. Plaster cast, a copy of an object obtained by pouring plaster of Paris mixed with water into a mold. -- Plaster of Paris. Etym: [So called because originally bro…

A manure made from night soil, dried and mixed with charcoal, gypsum, etc.

) (a) A fine fibrous variety of calcite, having a pearly luster. (b) A similar variety of gypsum. -- Satin sparrow (Zoöl.), the shining flycatcher (Myiagra nitida) of Tasmania and Australia. The upper surface of the male is rich blackish green with a metallic luster. -- Satin stone, satin spar.

on of any veined and ornamental stone, as marble, formed by a substratum of finely ground gypsum mixed with glue, the surface of which, while soft, is variegated with splinters of marble, spar, granite, etc., and subsequently colored and polished.

A variety of gypsum, occuring in transparent crystals or crystalline masses.

of any kind used as a coating for walls, especially, a fine plaster, composed of lime or gypsum with sand and pounded marble, used for internal decorations and fine work.

y in large quantities, either combined as in the sulphides (as pyrites) and sulphates (as gypsum), or native in volcanic regions, in vast beds mixed with gypsum and various earthy materials, from which it is melted out. Symbol S. Atomic weight 32. The specific gravity of ordinary octohedral sulphur is 2.05; of prismati…

ba Etym: [L., white earth] (Com.), a white amorphous earthy substance consisting of burnt gypsum, aluminium silicate (kaolin), or some similar ingredient, as magnesia. It is sometimes used to adulterate certain foods, spices, candies, paints, etc. -- Terra cotta. Etym: [It., fr. terra earth + cotta, fem. of cotto cook…