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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
Iron sulfides form when iron reacts with hydrogen sulfide, a gas commonly found in volcanic areas such as Yellowstone.
—Thomas G. Moukawsher, Newsweek, 2 Dec. 2024
Thursday, the facility had a leak of hydrogen sulfide — a colorless gas with a strong odor.
—Alexis Simmerman, Austin American-Statesman, 11 Oct. 2024
Icelandic volcanic eruptions release various gases, including carbon dioxide (CO2), sulfur dioxide (SO2), water vapor, hydrogen sulfide (H2S), methane and carbon monoxide, among others.
—Mark R. Weaver, Newsweek, 4 Dec. 2024
While waiting for agreements to get penned, the district is paying close attention to the recorded levels of hydrogen sulfide.
—Tammy Murga, San Diego Union-Tribune, 10 Jan. 2024
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Word History
First Known Use
1869, in the meaning defined above
Dictionary Entries Near hydrogen sulfide
Cite this Entry
“Hydrogen sulfide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogen%20sulfide. Accessed 8 Jan. 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
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