n. A dark brown mineral species with the formula FeCr2O4.
n. Any member of the chromite-magnesiochromite series that is a mixed oxide of iron, magnesium and chromium with the formula (Fe,Mg)Cr2O4. It is a commercial source of chromium.
the GNU version of the Collaborative International Dictionary of English
n. A black submetallic mineral consisting of oxide of chromium and iron; -- called also chromic iron.
n. A compound or salt of chromous hydroxide regarded as an acid.
The Century Dictionary and Cyclopedia
n. Native iron chromite (FeCr2O4), occurring massive and in octahedral crystals of a black color.
n. Any compound of chromium sesquioxid with a monoxid of another metal.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a brownish-black mineral; the major source of chromium
Word Usage
"In addition to oil and gold, he said, the region is believed to have "abundant" deposits of minerals including marble, gypsum and chromite, which is used to make ferrochrome, an ingredient in stainless steel marble."