sulfide

noun

sul·​fide ˈsəl-ˌfīd How to pronounce sulfide (audio)
1
: any of various organic compounds characterized by a sulfur atom attached to two carbon atoms
2
: a binary compound (such as CuS) of sulfur usually with a more electropositive element or group : a salt of hydrogen sulfide

Examples of sulfide in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
On Earth, that gas – called dimethyl sulfide – is mostly produced by living organisms. Daniel Apai, The Conversation, 18 Apr. 2025 Even if the detection of dimethyl sulfide on K2-18b were to eventually prove out to the entire field’s satisfaction, its presence is not necessarily a bankable sign of life. Ross Andersen, The Atlantic, 18 Apr. 2025 In 2023 researchers led by Nikku Madhusudhan, an astrophysicist at the University of Cambridge, announced the first signs of dimethyl sulfide in K2-18 b’s atmosphere. Meghan Bartels, Scientific American, 17 Apr. 2025 Madhusudhan and his team first detected hints of dimethyl sulfide on the planet in 2023, along with carbon dioxide and methane. Sara Hashemi, Smithsonian Magazine, 17 Apr. 2025 See All Example Sentences for sulfide

Word History

First Known Use

1836, in the meaning defined at sense 1

Time Traveler
The first known use of sulfide was in 1836

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Cite this Entry

“Sulfide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfide. Accessed 23 Apr. 2025.

Kids Definition

sulfide

noun
sul·​fide ˈsəl-ˌfīd How to pronounce sulfide (audio)
: a compound of sulfur with one or more other elements : a salt of hydrogen sulfide

Medical Definition

sulfide

noun
sul·​fide
variants or chiefly British sulphide
1
: any of various organic compounds characterized by a sulfur atom attached to two carbon atoms
2
: a binary compound (as CuS) of sulfur usually with a more electropositive element or group : a salt of hydrogen sulfide

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