sulfoxide

noun

sulf·​ox·​ide ˌsəl-ˈfäk-ˌsīd How to pronounce sulfoxide (audio)
: any of a class of organic compounds characterized by an SO group with its sulfur atom having two bonds with carbon

Examples of sulfoxide 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.
For example, fresh garlic bulbs are high in S-allyl-L-cysteine sulfoxide (alliin) and γ-glutamyl cysteine derivatives, while garlic powder contains diallyl disulfide (DADS) and alliin. Jillian Kubala, Health, 10 Dec. 2024

Word History

Etymology

International Scientific Vocabulary

First Known Use

circa 1894, in the meaning defined above

Time Traveler
The first known use of sulfoxide was circa 1894

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Cite this Entry

“Sulfoxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfoxide. Accessed 10 Sep. 2025.

Medical Definition

sulfoxide

noun
sulf·​ox·​ide
variants or chiefly British sulphoxide
: any of a class of organic compounds characterized by a sulfinyl group with its sulfur atom having two bonds with carbon

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