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.
This vast mountain range is also rich in copper, gold, nickel, chromite and limestone.
From BBC • Jan. 5, 2023
One of the most advanced projects, a chromite mine, was put on ice in 2013 due to risks associated with developing basic infrastracture, including roads and power lines.
From Reuters • Jun. 3, 2021
Levels of both the chromite grains and the exotic helium skyrocketed around this period—but not at precisely the same time.
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
Katamorphic processes give the important values to chromite deposits.
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.
