chromite
Americannoun
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Chemistry. a salt of chromium in the bivalent state.
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Mineralogy. a cubic mineral, ferrous chromate, Fe 3 Cr 2 O 3 , 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.
noun
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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
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a salt of chromous acid
Etymology
Origin of chromite
1830–40; chrom(ium) or chrom(ate) + -ite 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Philippines has sources of nickel, copper, chromite and cobalt that will be both used by American companies operating there and exported back to the U.S. for manufacturing, Helberg said.
From The Wall Street Journal • Apr. 16, 2026
This vast mountain range is also rich in copper, gold, nickel, chromite and limestone.
From BBC • Jan. 5, 2023
They wanted something more difficult to find than fossilized meteorites: micrometeorites, which, like their larger siblings, carry the mineral chromite.
From Scientific American • Sep. 19, 2019
The chromite occurs in layers, which resemble sedimentary layers, except this occurred within a crystallizing magma chamber.
From Textbooks • Jan. 1, 2017
The Turkish ore has been exported to the United States, England, and Germany; it probably supplied most of Germany's chromite requirements during the war.
From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
