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
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One of the latest challenges is hydrogen sulfide – a foul-smelling gas given off by decomposing bat droppings inside the chamber, that caused some crew members to faint, Kengkad told CNN.
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Kocha Olarn, CNN Money, 28 May 2026
The announcement comes roughly a week and a half after a severe hydrogen sulfide spike hit the region, with levels peaking at 1,400 parts per billion — and holding around 700 parts per billion for an entire night, Aguirre said.
—Walker Armstrong, San Diego Union-Tribune, 19 May 2026
Instead, like other species that live on hydrothermal vents, the snail is home to bacteria that feast on hydrogen sulfide, oxygen, and carbon dioxide and convert those chemicals into sugar.
—Adam Kovac, Scientific American, 15 May 2026
The gas, hydrogen sulfide, is created by turbulence of the sanitary sewage flow.
—Paula Wethington, CBS News, 14 May 2026
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Kocha Olarn, CNN Money, 28 May 2026
The announcement comes roughly a week and a half after a severe hydrogen sulfide spike hit the region, with levels peaking at 1,400 parts per billion — and holding around 700 parts per billion for an entire night, Aguirre said.
—Walker Armstrong, San Diego Union-Tribune, 19 May 2026
Instead, like other species that live on hydrothermal vents, the snail is home to bacteria that feast on hydrogen sulfide, oxygen, and carbon dioxide and convert those chemicals into sugar.
—Adam Kovac, Scientific American, 15 May 2026
The gas, hydrogen sulfide, is created by turbulence of the sanitary sewage flow.
—Paula Wethington, CBS News, 14 May 2026
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 3 Jun. 2026.
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