hydrogen sulfide

noun

: 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
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.
Molten sulfur can cause severe thermal burns and release irritating gases such as sulfur dioxide or hydrogen sulfide if disturbed, according to the Environmental Protection Agency. Michael Dorgan, FOXNews.com, 30 Dec. 2025 Desulfatiglans emerges as a dominant player, alongside sulfate-reducing bacteria such as Desulfobacter, Desulfovibrio, and Desulfobulbus, organisms that actively generate hydrogen sulfide as part of their metabolism. New Atlas, 28 Dec. 2025 Then, in late October, the city’s fire and utilities departments evacuated seven homes for two days when high levels of methane and hydrogen sulfide were detected leaking from the well. Erika I. Ritchie, Oc Register, 23 Dec. 2025 In season 2, episode 3, several of Tommy’s crew members are exposed to hydrogen sulfide (H₂S) — a toxic gas that can escape from underground reservoirs during oil drilling. Samantha Stutsman, PEOPLE, 7 Dec. 2025 See All Example Sentences for hydrogen sulfide

Word History

First Known Use

1869, in the meaning defined above

Time Traveler
The first known use of hydrogen sulfide was in 1869

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Cite this Entry

“Hydrogen sulfide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogen%20sulfide. Accessed 31 Dec. 2025.

Kids Definition

hydrogen sulfide

noun
: a flammable poisonous gas with a disagreeable odor suggestive of rotten eggs

Medical Definition

hydrogen sulfide

noun
: 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
Last Updated: - Updated example sentences
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