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
Despite earlier mitigation steps—including a $500,000 carbon biofilter added to the wastewater plant in 2022 and hydrogen sulfide neutralization technology deployed in 2023—the odor has persisted.
—
John W. Dean, MSNBC Newsweek, 7 Apr. 2025
The city of Mount Dora even took steps to combat the odor over the years, including the installation of a $500,000 carbon biofilter at the wastewater treatment plan in 2022 and the addition of technology to neutralize the hydrogen sulfide levels in sewage in March 2023.
—James Wilkins, The Orlando Sentinel, 3 Apr. 2025
The exploration encountered a thick hydrogen sulfide layer at 300 feet, blocking out oxygen and light, creating a dead zone where no marine life could survive.
—Scott Travers, Forbes.com, 30 Mar. 2025
The federal safety guidelines are hydrogen sulfide exposure, according to the agency, are:
▪ Occupational Health and Safety Administration: limit 20 parts-per-million with a max peak of 50 ppm for 10 minutes.
—Catherine Muccigrosso, Charlotte Observer, 3 Feb. 2025
See All Example Sentences for hydrogen sulfide
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.
John W. Dean, MSNBC Newsweek, 7 Apr. 2025
The city of Mount Dora even took steps to combat the odor over the years, including the installation of a $500,000 carbon biofilter at the wastewater treatment plan in 2022 and the addition of technology to neutralize the hydrogen sulfide levels in sewage in March 2023.
—James Wilkins, The Orlando Sentinel, 3 Apr. 2025
The exploration encountered a thick hydrogen sulfide layer at 300 feet, blocking out oxygen and light, creating a dead zone where no marine life could survive.
—Scott Travers, Forbes.com, 30 Mar. 2025
The federal safety guidelines are hydrogen sulfide exposure, according to the agency, are:
▪ Occupational Health and Safety Administration: limit 20 parts-per-million with a max peak of 50 ppm for 10 minutes.
—Catherine Muccigrosso, Charlotte Observer, 3 Feb. 2025
See All Example Sentences for hydrogen sulfide
Cite this Entry
“Hydrogen sulfide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrogen%20sulfide. Accessed 19 Apr. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share