calcium oxide (redirected from CAO)

calcium oxide

n.

A white, caustic, lumpy powder, CaO, used as a refractory, as a flux, in manufacturing steel and paper, in glassmaking, in waste treatment, in insecticides, and as an industrial alkali. Also called lime³.

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calcium oxide

n

(Chemistry / Elements & Compounds) a white crystalline base used in the production of calcium hydroxide and bleaching powder and in the manufacture of glass, paper, and steel. Formula: CaO Also called lime quicklime calx burnt lime calcined lime fluxing lime

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calcium oxide

A white solid compound that has a very high melting point and reacts with water to form calcium hydroxide. It is often prepared commercially by heating limestone. Calcium oxide is used as an alkali for treating acidic soils and in manufacturing steel, paper, and glass, and it is the main component of lime. Chemical formula: CaO.

Thesaurus

Noun

1.

calcium oxide - a white crystalline oxide used in the production of calcium hydroxide burnt lime, calcined lime, calx, fluxing lime, quicklime, unslaked lime, lime 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 oxide - any compound of oxygen with another element or a radical