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View synonyms for gypsum

gypsum

[ jip-suhm ]

noun

  1. 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.


gypsum

/ ˈdʒɪpsɪəs; dʒɪpˈsɪfərəs; ˈdʒɪpsəm /

noun

  1. 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: CaSO 4 .2H 2 O. Crystal structure: monoclinic


gypsum

/ jĭpsəm /

  1. 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: CaSO 4 ·2H 2 O.


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Derived Forms

  • gypsiferous, adjective
  • gypseous, adjective

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Word History and Origins

Origin of gypsum1

1640–50; < Latin: chalk < Greek gýpsos chalk, gypsum

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Word History and Origins

Origin of gypsum1

C17: from Latin, from Greek gupsos chalk, plaster, cement, of Semitic origin

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Example Sentences

So before we adapted this variable rate technology, we would drive down a row and we would put a consistent amount of amendments, whether it be gypsum, lime, soil, sulfur, we would apply that amount evenly throughout the entire vineyard block.

Geologist Carolina Cardell of Spain’s University of Granada first noticed purple stains on the gypsum in 1993, but she and her colleagues didn’t have the tools to understand the splotches back then.

Squeeze through slot canyons, marvel at sparkling walls coated with gypsum, and meander through immense underground tunnels.

Hae Won Sohn uses gypsum cement to construct small abstract sculptures that resemble rock and bone.

Workers dumped 11,000 tons of gypsum minerals into riverbeds filled with dangerously alkaline sludge to keep it from burning organisms.

Fracking, in this regard, is no different from gypsum mining, or some kinds of industrial agriculture.

The sand dunes were relentlessly mined in the past century; power lines and a gypsum plant split the park.

It is sometimes mixed with lime or gypsum, and dried with heat, and sometimes with animal charcoal or peat charcoal.

"There is an extensive underlying layer of gypsum, here," he said.

At the top there is a small aperture, which is hermetically closed with gypsum.

The difficulty of boiling them soft arises from an excess of gypsum imbibed during their growth.

The gypsum reposing on the mud is composed of plates in such close juxtaposition as to resemble an artificial pavement.

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gypsophilegypsum board