hydrogen sulfide

noun

Definition of hydrogen sulfide 

: a flammable poisonous gas H2S that has an odor suggestive of rotten eggs and is found especially in many mineral waters and in putrefying matter

Examples of hydrogen sulfide in a Sentence

Recent Examples on the Web

But as the Yadrovo dump overflowed and the organic waste decayed under the topsoil, a mixture of hydrogen sulfide and methane gases enveloped the town during the winter. Washington Post, "A big stink erupts over landfills ringing Russia’s capital," 19 June 2018 So much trash was dumped near the town of Volokolamsk, 110 kilometers (68 miles) west of Moscow, that a toxic mixture of hydrogen sulfide and methane gases enveloped the town during the winter. Fox News, "World Cup has divisive legacy for Russia's environment," 12 June 2018 Sufferers report smelling hydrogen sulfide (rotten eggs), bad perfume, garbage, a gas leak, wet dog, pungent body odor or spoiled fish or feces. NBC News, "Phantom smells may be a sign of trouble," 10 July 2018 The Section 11 Wastewater Treatment Plant off the Hunt Highway in Florence was fined $20,000 by Pinal County in August for hydrogen sulfide emissions. Ryan Randazzo, azcentral, "Water taps dry, sewers overflow as Johnson Utilities owner faces bribery trial," 28 June 2018 The federal Agency for Toxic Substances and Disease Registry has much lower thresholds for hydrogen sulfide. Laura Gómez, azcentral, "State: No signs of health concerns in air around egg farms in West Valley," 7 May 2018 The finding comes courtesy of a study in Nature Astronomy, revealing that the cloud tops of Uranus are made principally of hydrogen sulfide, the gas that is principally responsible for the foul smell of rotten eggs and, yes, human flatulence. Jeffrey Kluger, Time, "Uranus Smells Terrible. There, We Said it," 24 Apr. 2018 Lava produces toxic gases including carbon dioxide, sulfur dioxide, hydrogen sulfide and hydrofluoric acid, according to Earth Magazine. Don Sweeney, sacbee, "Please don’t take selfies with the deadly molten lava, Hawaii authorities ask," 20 June 2018 Researchers engineered a portable device that detects even the tiniest trace of hydrogen sulfide—one of the primary offenders in bad breath. Karen Hopkin, Scientific American, "A Litmus Test for Bad Breath," 13 June 2018

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

1869, in the meaning defined above

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Last Updated

21 Sep 2018

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Time Traveler for hydrogen sulfide

The first known use of hydrogen sulfide was in 1869

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More Definitions for hydrogen sulfide

hydrogen sulfide

noun

Medical Definition of hydrogen sulfide 

: a flammable poisonous gas H2S that has an odor suggestive of rotten eggs and is found especially in many mineral waters and in putrefying matter

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