iron oxide

noun

: any of several oxides of iron: such as
b
: the monoxide FeO of iron

Examples of iron oxide in a Sentence

Recent Examples on the Web
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Although its surface is covered in iron oxide dust, the red planet appears to the naked eye to have a golden-reddish light rather than purely a red light. Jamie Carter, Forbes, 16 Jan. 2025 The art that survives today uses a color red, which comes from mixing iron oxide taken from the soil. Joshua Rapp Learn, Discover Magazine, 15 Jan. 2025 Aerial fire suppressants are generally a mixture of water, ammonium phosphate — essentially fertilizer — and iron oxide, which is added to make the retardant visible, said Daniel McCurry, a civil and environmental engineering professor at the University of Southern California. Dillon Thomas, CBS News, 13 Jan. 2025 Quartzite offer a similar look as marble or granite, ranging from white to gray, with some shades of pink, red, yellow, or orange that may be present due to varying amount of iron oxide and other mineral impurities. Timothy Dale, Better Homes & Gardens, 10 Jan. 2025 See all Example Sentences for iron oxide 

Word History

First Known Use

1790, in the meaning defined above

Time Traveler
The first known use of iron oxide was in 1790

Dictionary Entries Near iron oxide

Cite this Entry

“Iron oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iron%20oxide. Accessed 2 Feb. 2025.

Kids Definition

iron oxide

noun
: any of the oxides of iron
especially : ferric oxide

Medical Definition

iron oxide

noun
: any of several oxides of iron
especially : ferric oxide

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