calcium oxide
noun
Words nearby calcium oxide
British Dictionary definitions for calcium oxide
calcium oxide
noun
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
Medical definitions for calcium oxide
calcium oxide
n.
A white, caustic, lumpy powder used in analytical and manufacturing procedures, in glassmaking, in waste treatment, in insecticides, and as an industrial alkali.
lime2
Scientific definitions for calcium oxide
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.