gypsum


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Related to gypsum: gypsum board

gyp·sum

 (jĭp′səm)
n.
A widespread colorless, white, or yellowish mineral, CaSO4·2H2O, used in the manufacture of plaster of Paris, various plaster products, and fertilizers.

[Middle English gipsum, from Latin gypsum, from Greek gupsos, probably of Semitic origin; akin to Arabic jibs, jiṣṣ, jaṣṣ, from Akkadian gaṣṣu.]

gypsum

(ˈdʒɪpsəm)
n
(Minerals) 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
[C17: from Latin, from Greek gupsos chalk, plaster, cement, of Semitic origin]
gypseous adj
gypsiferous adj

gyp•sum

(ˈdʒɪp səm)

n.
a soft mineral, hydrous calcium sulfate, CaSO4∙2H2O, occurring in massive or fibrous form and also as alabaster and selenite: used to make plaster of Paris and as a fertilizer.
[1640–50; < Latin < Greek gýpsos chalk, gypsum]

gyp·sum

(jĭp′səm)
A colorless, white, or pinkish mineral consisting of calcium sulfate. Gypsum occurs as individual blade-shaped crystals or as massive beds in sedimentary rocks. It is used in manufacturing plasterboard, cement, and fertilizers. It is the mineral used to represent a hardness of 2 on the Mohs scale.

gypsum

- From Semitic, a relative or ancestor of Arabic jibs and Hebrew gephes, "plaster."
See also related terms for plaster.

gypsum

A mineral or rock composed of calcium sulfate and water.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gypsum - a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)gypsum - a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)
atomic number 20, Ca, calcium - a white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
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
calcium sulfate, calcium sulphate - a white salt (CaSO4)
plaster of Paris, plaster - 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
Translations
sádrovec
kips
gipsita

gypsum

[ˈdʒɪpsəm] Nyeso m

gypsum

[ˈdʒɪpsəm] ngypse m

gypsum

nGips m
References in classic literature ?
The border of this lake is formed of mud: and in this numerous large crystals of gypsum, some of which are three inches long, lie embedded; whilst on the surface others of sulphate of soda lie scattered about.
In both countries the salt-lakes occupy shallow depressions in the plains; in both the mud on the borders is black and fetid; beneath the crust of common salt, sulphate of soda or of magnesium occurs, imperfectly crystallized; and in both, the muddy sand is mixed with lentils of gypsum.
After long hesitation and uncertainty they paid twenty-five cents for a big package of insect powder--a patent preparation which chanced to be ninety-five per cent gypsum, a harmless earth which had cost about two cents to prepare.
With the demand for construction increasing at a fast pace, the gypsum industry is set to gain handsomely.
Gypsum board has gained wider use in Indonesia as a substitute for plywood, which is becoming scarce.
The gigantic milky-white crystals in the cave are made of a mineral called gypsum (JIP-sum).
The Ninyerola Gypsum unit: an example of cyclic, lacustrine sedimentation (Middle Miocene, E Spain)
CAS-20-4 is an extremely white, fine-particle filler made from high-purity gypsum rock.
has announced that its gypsum recycling program partner, Gypsum Recycling America LLC (GRA), started collecting gypsum wallboard scrap, which will be recycled and reused in USG'S wallboard manufacturing operations.
based Waste & Resources Action Program (WRAP) has started work on improving the recycling opportunities for gypsum waste, sourced predominantly from scrap drywall, also known as plasterboard.
In the experiments reported here, we aimed to determine the rate and extent of dissolution of various gypsum sources and size fractions in seawater.