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The Collaborative International Dictionary
Cr2O3

Chrome \Chrome\, n. Same as Chromium. Chrome alum (Chem.), a dark violet substance, (SO4)3Cr2.K2SO4.24H2O, analogous to, and crystallizing like, common alum. It is regarded as a double sulphate of chromium and potassium. Chrome green

  1. The green oxide of chromium, Cr2O3, used in enamel painting, and glass staining.

  2. A pigment made by mixing chrome yellow with Prussian blue.

    Chrome red, a beautiful red pigment originally prepared from the basic chromate of lead, but now made from red oxide of lead.

    Chrome yellow, a brilliant yellow pigment, PbCrO4, used by painters.