di·​sul·​fide | \ (ˌ)dī-ˈsəl-ˌfīd How to pronounce disulfide (audio) \

Definition of disulfide

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 Starting with the original version of the enzyme, the researchers engineered in two amino acids that could form a chemical bond between those two parts (for those who know biochemistry, that's a disulfide bridge). John Timmer, Ars Technica, "Newly engineered enzyme can break down plastic to raw materials," 8 Apr. 2020 Chemicals like dimethyl disulfide, which contain sulfur, is what creates the rotten smell. Daisy Hernandez, Popular Mechanics, "The World's Largest Flower Absolutely Reeks," 19 Jan. 2020 Working at Exxon, Whittingham discovered that titanium disulfide would work well as a cathode: Lithium ions could embed themselves within its layered structure. Science News Staff, Science | AAAS, "Nobel Prize in Chemistry goes to development of lithium batteries," 9 Oct. 2019 Whittingham put metallic lithium in one end and a layered material called titanium disulfide at the other; the titanium had spaces that could capture the flowing electrons. Josh Fischman, Scientific American, "High-Energy Award: Lithium Batteries Win 2019 Nobel Prize in Chemistry," 9 Oct. 2019 There are other culprits as the bloom continues, including dimethyl disulfide, which strikes a garlic note; isovaleric acid, which contributes to the smell of sour sweat; and methyl thiolacetate, with an odor that blends garlic and cheese. New York Times, "Why Is the Corpse Flower So Stinky?," 6 July 2018 The skunk bath recipe works by oxidizing the thiols into compounds called disulfides, which are not so smelly. Janine M. Kahn, Good Housekeeping, "What You Should Do When Your Dog Rolls In These 3 Disgusting Things—According To Veterinarians," 10 July 2017 Most rayon today is produced as viscose rayon, which is treated with chemicals, including carbon disulfide. Tatiana Schlossberg, New York Times, "Fig Leaves Are Out. What to Wear to Be Kind to the Planet?," 24 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'disulfide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of disulfide

1869, in the meaning defined at sense 1

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Time Traveler for disulfide

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 27 Oct. 2020.

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More Definitions for disulfide


variants: or chiefly British disulphide \ (ˈ)dī-​ˈsəl-​ˌfīd How to pronounce disulphide (audio) \

Medical Definition of disulfide

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

More from Merriam-Webster on disulfide

Britannica.com: Encyclopedia article about disulfide

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