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
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The Railroad Commission also approved more than 7,000 flares within areas where the gas reservoir being drilled was known to be high in hydrogen sulfide, increasing the likelihood that the toxic gas could escape into the air. ProPublica, 4 Sep. 2025 Water rich in hydrogen sulfide and carbon dioxide continues to percolate through the rock, creating a mildly acidic cocktail that eats at the walls. Jennifer Walker, CNN Money, 18 Aug. 2025 Such communities can be found in deep sea habitats where chemicals such as hydrogen sulfide and methane seep from the sea floor, according to the study. Doyle Rice, USA Today, 16 Aug. 2025 LaPointe notes that there have been reports of respiratory issues in areas with large amounts of decomposing sargassum on the shore due to the hydrogen sulfide released. Terry Ward, AFAR Media, 15 Aug. 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 10 Sep. 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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