ferric oxide

noun

Definition of ferric oxide

: the red or black oxide of iron Fe2O3 found in nature as hematite and as rust and also obtained synthetically and used especially in magnetic materials, as a pigment, and for polishing

Examples of ferric oxide in a Sentence

Recent Examples on the Web And the worldwide shortage of gamma ferric oxide has brought tape production to a crawl. David Grossman, Popular Mechanics, "We're Facing a Worldwide Cassette Shortage, So Hug Your Nearest Hipster," 11 Oct. 2019 The team also found that the asteroid’s chemistry was dominated by compounds called ferric oxides and phyllosilicates, which had never been seen before on Kuiper belt objects. New York Times, "This Asteroid Shouldn’t Be Where Astronomers Found It," 10 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ferric oxide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of ferric oxide

1851, in the meaning defined above

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The first known use of ferric oxide was in 1851

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Cite this Entry

“Ferric oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ferric%20oxide. Accessed 4 Dec. 2020.

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More Definitions for ferric oxide

ferric oxide

noun

Medical Definition of ferric oxide

: the red or black oxide of iron Fe2O3 found in nature as hematite and as rust and also obtained synthetically and used as a pigment and for polishing

Comments on ferric oxide

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