• synonyms


  1. Chemistry. a salt of chromium in the bivalent state.
  2. Mineralogy. a cubic mineral, ferrous chromate, Fe3Cr2O3, usually with much of the ferrous iron and aluminum replaced by magnesium, and some of the chromium by ferric iron: the principal ore of chromium.
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Origin of chromite

1830–40; chrom(ium) or chrom(ate) + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for chromite

Historical Examples of chromite

  • Chromite moves from two principal sources; tungsten also from two.

    The Economic Aspect of Geology

    C. K. Leith

  • All chrome is obtained from chromite, which contains 68 per cent.

    The A B C of Mining

    Charles A. Bramble

  • Chromite is a common minor constituent of basic igneous rocks of the peridotite and pyroxenite type.

  • Katamorphic processes give the important values to chromite deposits.

  • Minute percentages of chromite, iron, manganese, and other substances are often responsible for the colors in these stones.

British Dictionary definitions for chromite


  1. a brownish-black mineral consisting of a ferrous chromic oxide in cubic crystalline form, occurring principally in basic igneous rocks: the only commercial source of chromium and its compounds. Formula: FeCr 2 O 4
  2. a salt of chromous acid
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012