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.
The sulfur-rich stream, fed by natural springs and winds through the cavern, releases hydrogen sulfide that sustains this unexpected chain of life. Alice Gibbs, MSNBC Newsweek, 5 Nov. 2025 The entire ecosystem is self-contained and independent of external input, running on the energy released when bacteria convert toxic hydrogen sulfide into sulfate. New Atlas, 5 Nov. 2025 Compared to conventional hydrogen sulfide scavengers, single-use chemicals that create hazardous waste streams, SulfurSolve aims to recycle and reuse its valuable chemistry. Sixteen Ramos, USA Today, 3 Nov. 2025 Other notable volatile species such as hydrogen sulfide, carbon monoxide or carbon dioxide could be much lower abundance than water ice. Leonard David, Space.com, 29 Oct. 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 13 Nov. 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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