sulfide

noun
sul·​fide | \ ˈsəl-ˌfīd How to pronounce sulfide (audio) \

Definition of sulfide

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 Environmentalists oppose both the PolyMet and the Twin Metals projects in Minnesota because of the threat of acid mine drainage from the sulfide-bearing ore. The Salt Lake Tribune, "Trump pushes mining with order, but effects are uncertain," 1 Oct. 2020 Iron sulfide, better known as pyrite or fool's gold, could have a new lease on the high life after researchers turned it into a magnet using an electrical treatment. Caroline Delbert, Popular Mechanics, "Fool's Gold Has a Purpose After All," 31 July 2020 The pretty red mineral, which produces such lovely shades when mixed with iron oxide, is actually mercury sulfide. Kiona N. Smith, Ars Technica, "Mercury and algal blooms poisoned Maya reservoirs at Tikal," 30 June 2020 The ore contains sulfide, which when exposed to oxygen and water, leaches acid, a major problem for copper mines. Jack Brook, The Christian Science Monitor, "Conservation vs. copper: Minnesota town debates its future with a mine," 2 July 2020 The tarnish on silver is often silver sulfide, which is created when sulfur atoms combine with the silver. Laura Lambert, Better Homes & Gardens, "How to Clean Silver Jewelry in a Matter of Minutes," 3 June 2020 Many of the foods that contribute to stinky breath do so by releasing sulfides. Sandee Lamotte, CNN, "Bad breath behind that coronavirus mask? 10 reasons -- and remedies -- for your halitosis," 5 May 2020 According to the Academy of General Dentistry, the allyl methyl sulfide in coffee, onions and garlic can stay in your bloodstream and be expelled via your breath up to 72 hours after consumption. Sandee Lamotte, CNN, "Bad breath behind that coronavirus mask? 10 reasons -- and remedies -- for your halitosis," 5 May 2020 Sniffer turtles Turtles use a range of airborne cues—including dimethyl sulfide—to alert them to the presence of food. Cathleen O'grady, Ars Technica, "Sea turtles think plastic smells like food," 14 Mar. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sulfide.' 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 sulfide

1836, in the meaning defined at sense 1

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Time Traveler for sulfide

Time Traveler

The first known use of sulfide was in 1836

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Statistics for sulfide

Last Updated

11 Oct 2020

Cite this Entry

“Sulfide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulfide. Accessed 30 Nov. 2020.

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More Definitions for sulfide

sulfide

noun
How to pronounce sulfide (audio)

English Language Learners Definition of sulfide

chemistry : a compound that contains sulfur and one or more other chemical elements

sulfide

noun
sul·​fide
variants: or chiefly British sulphide \ ˈsəl-​ˌfīd How to pronounce sulphide (audio) \

Medical Definition of sulfide

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

More from Merriam-Webster on sulfide

Britannica English: Translation of sulfide for Arabic Speakers

Britannica.com: Encyclopedia article about sulfide

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