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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
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
The medical examiner's office claimed Knight mixed multiple chemicals together to create the hydrogen sulfide.
—Lauryn Overhultz, Fox News, 10 Sep. 2024
Pyrite forms through the action of sulfate, which reduces the bacteria that break down organic material in the absence of oxygen and produce hydrogen sulfide.
—Paul Smaglik, Discover Magazine, 29 Oct. 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 25 Dec. 2024.
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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