gypsum

The crushed alabaster (hydrated calcium sulphate), used in mortar.

gypsum

a naturally occurring crystalline form of calcium sulfate in which each molecule of calcium sulfate is combined with two molecules of water. See anhydrite, calcium sulfate. [og/foot.htm]

Gypsum

Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It can be used as a fertilizer, is the main constituent in many forms of plaster and is widely mined. A massive fine-grained white or lightly tinted variety of gypsum, called alabaster, has been used for sculpture by many cultures includi...
Found on http://en.wikipedia.org/wiki/Gypsum

Gypsum

• (n.) 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.
Found on http://thinkexist.com/dictionary/meaning/gypsum/

gypsum

(jip´sәm) native calcium sulfate, which when calcined becomes plaster of paris; used in making plaster casts for fractures and for taking dental impressions.
Found on http://www.encyclo.co.uk/local/21001

Gypsum

Gyp'sum (jĭp'sŭm) noun [ Latin gypsum , Greek gy`psos ; confer Arabic jibs plaster, mortar, Persian jabsīn lime.] (Min.) A mineral consisting of the hydrous sulphate of lime (calcium). When calcined, stype forms plaster of Paris. Selenite
Found on http://www.encyclo.co.uk/webster/G/71

Gypsum

A hydrated calcium sulfate (CaSO42H20). It is formed naturally as the result of the reaction of sulfuric acid produced by the decomposition of pyrite upon the calcium carbonate of shells existing in clay. A sedimentary rock.
Found on http://www.encyclo.co.uk/local/22192

Gypsum

A hydrated calcium sulfate. It is formed naturally as the result of the reaction of sulfuric acid produced by decomposition of pyrite upon the calcium carbonate of shells existing in clay; a sedimentary rock.
Found on http://www.selectstone.com/architectural-resources/stone-glossary/

gypsum

a mineral composed of calcium sulfate. Products featuring gypsum, such as Pennington® Fast Acting Gypsum, loosen compacted soil and promote root growth. Gypsum also adds necessary calcium to the turf's soil.
Found on https://www.pennington.com/all-products/fertilizer/resources/glossary-terms

Gypsum

A mineral of calcium sulfate. Gypsum adds calcium to the soil. It also will improve the structure of a clay soil. There will be no change in the pH value of the soil.
Found on http://www.encyclo.co.uk/local/20077

Gypsum

A sedimentary rock consisting of hydrated calcium sulfate.
Found on http://www.libertystaruranium.com/miningexplained/mining-geology-glossary/

Gypsum

A white crumbly mineral used in antiquity to raise the acidity in the low acid wines grown in warm climates around the Mediterranean Sea. Today
Found on http://richardgrantwine.com/wineglossary.html

Gypsum

An evaporite mineral composed of calcium sulfate with water (CaSO4
Found on http://www.evcforum.net/WebPages/Glossary_Geology.html

Gypsum

Calcium sulfate
Found on http://www.translationdirectory.com/glossaries/glossary075.htm

Gypsum

Calcium sulfate dihydrate
Found on http://www.translationdirectory.com/glossaries/glossary071.htm

gypsum

common sulfate mineral of great commercial importance, composed of hydrated calcium sulfate (CaSO4 2H2O). In well-developed crystals the mineral ... [17 related articles]
Found on http://www.britannica.com/eb/a-z/g/86

gypsum

gypsum (jip'sum) , mineral composed of calcium sulfate (calcium, sulfur, and oxygen) with two molecules of water, CaSO4·2H2O. It is the most common sulfate mineral, occurring in many places in a variety of forms. A transparent crystalline variety is selenite. A massive gypsum of delicate ...
Found on http://www.infoplease.com/ce6/sci/A0822242.html

gypsum

Gypsum. Credit: Mineral Information Institute A white mineral, CaSO4.2H2O (hydrous copper sulfate), used in the manufacture of cements and plasters, especially plaster of Paris (to control the rate of setting of Portland cement), and also in some fe...
Found on http://www.daviddarling.info/encyclopedia/G/gypsum.html

gypsum

hydrated calcium sulfate used to treat soft or neutral water making it hard.
Found on https://byo.com/resources/glossary

gypsum

hydreous calcium sulphate, resembling chalk
Found on http://florabase.dpaw.wa.gov.au/help/glossary

Gypsum

Sedimentary rock created by the chemical precipitation of calcium, sulfur, and oxygen.
Found on http://www.physicalgeography.net/physgeoglos/g.html

gypsum

See Drywall
Found on http://www.encyclo.co.uk/local/21074

Gypsum

see Alabaster, Plaster (Plaster of Paris)
Found on http://www.selectartusa.com/gloss.htm

gypsum

see calcium sulfate
Found on http://hbd.org/uchima/glossary/glossary.html

Gypsum

Sulfate of lime combined with water forms gypsum. Plaster of Paris is burnt gypsum, or gypsum freed from one half of its water content.
Found on http://www.winning-homebrew.com/brewing-terms.html
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