disulfide

noun

di·​sul·​fide (ˌ)dī-ˈsəl-ˌfīd How to pronounce disulfide (audio)
1
: a compound containing two atoms of sulfur combined with an element or radical
2
: an organic compound containing the divalent group SS composed of two sulfur atoms

Examples of disulfide 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.
Using new transit spectra from the James Webb Space Telescope (JWST), the researchers argued that the data were consistent with dimethyl sulfide, and possibly dimethyl disulfide — gases that on Earth are strongly associated with marine biology. Sharmila Kuthunur, Space.com, 26 Dec. 2025 This tunability has driven strong interest in creating niobium disulfide nanotubes, a true metallic form with potential to advance high-speed electronics and superconductivity. Jijo Malayil, Interesting Engineering, 9 Nov. 2025 Protein disulfide isomerases regulate androgen receptor stability and promote prostate cancer cell growth and survival. Hannah Millington, MSNBC Newsweek, 13 Oct. 2025 Garlic contains diallyl disulfide, a sulfur compound that may reduce inflammation-causing immune activity.9 Olive oil is rich in polyphenols, natural antioxidants that protect cells and have anti-inflammatory effects.10 4. Lindsay Curtis, Verywell Health, 23 Sep. 2025 The change of states in tantalum disulfide by the use of temperature only is important because laser technologies are more expensive and harder to embed in electronics than non-cryogenic cooling techniques, says De la Torre. Meghie Rodrigues, IEEE Spectrum, 23 July 2025 Powered by the brand’s patented Bond Building Technology, this formula rebuilds disulfide bonds to strengthen the curl pattern and reduce breakage over time. Jailynn Taylor, Allure, 26 June 2025

Word History

First Known Use

1869, in the meaning defined at sense 1

Time Traveler
The first known use of disulfide was in 1869

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Cite this Entry

“Disulfide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disulfide. Accessed 26 Jan. 2026.

Kids Definition

disulfide

noun
di·​sul·​fide (ˈ)dī-ˈsəl-ˌfīd How to pronounce disulfide (audio)
: a compound containing two atoms of sulfur combined with an element or chemical group

Medical Definition

disulfide

noun
di·​sul·​fide
variants or chiefly British disulphide
1
: a compound containing two atoms of sulfur combined with an element or radical
2
: an organic compound containing the bivalent group SS composed of two sulfur atoms

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