iron sulfide

noun

: any of several sulfides of iron

Examples of iron sulfide in a Sentence

Recent Examples on the Web
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When iron is also present, the hydrogen sulfide reacts with iron to form pyrite, which is iron sulfide. Paul Smaglik, Discover Magazine, 29 Oct. 2024 This can then react with iron to form pyrite, which is iron sulfide. Nina Turner, Newsweek, 29 Oct. 2024 For example, the iron sulfides that are the predominant mineral in nickel sulfide deposits produce distinct reddish rust when exposed to air and rainwater. Josh Goldman, IEEE Spectrum, 29 Apr. 2023 Both Jowitt and Anthony Love, a geologist at Appalachian State University, said the rocks shown in the post appear to be some type of iron sulfide and could be pyrite, also known as fool’s gold. Isabella Fertel, USA TODAY, 1 Feb. 2023 Most copper comes from chalcopyrite, a copper-iron sulfide mineral. David Bressan, Forbes, 31 Dec. 2022 To boot, there appears to be an extremely dense layer more than a hundred miles thick encasing the core, perhaps a shell of iron sulfide. Veronique Greenwood, Discover Magazine, 24 Mar. 2012 In the case of Lila Canyon, the coal deposits contain pyrite, or iron sulfide, according to Charles Kocsis, a University of Utah professor of mining engineering. Brian Maffly, The Salt Lake Tribune, 13 Dec. 2022 There was also a large amount of an iron sulfide called pyrrhotite, which was not found in the meteorite samples used for comparison. Jennifer Ouellette, Ars Technica, 26 Sep. 2022

Word History

First Known Use

1861, in the meaning defined above

Time Traveler
The first known use of iron sulfide was in 1861

Dictionary Entries Near iron sulfide

Cite this Entry

“Iron sulfide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/iron%20sulfide. Accessed 21 Nov. 2024.

Kids Definition

iron sulfide

noun
: a compound (as a pyrite) of iron and sulfur
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