hydrogen sulfide

noun

a colorless, flammable, water-soluble, cumulatively poisonous gas, H 2 S, having the odor of rotten eggs: used chiefly in the manufacture of chemicals, in metallurgy, and as a reagent in laboratory analysis.

hydrogen sulfide

A colorless, poisonous gas that smells like rotten eggs. It is formed naturally by decaying organic matter and is the smelly component of intestinal gas. It is also emitted by volcanoes and fumaroles. Hydrogen sulfide is used in the petroleum, rubber, and mining industries, and in making sulfur. Chemical formula: H 2 S.

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Word History and Origins

Origin of hydrogen sulfide¹

First recorded in 1870–75

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Example Sentences

Examples have not been reviewed.

Residents have also raised concerns about the potential health effects of high levels of hydrogen sulfide and other gases and vapors emanating from the river.

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But now, more than three years later, the noxious odors and elevated hydrogen sulfide emissions persist, despite repeated complaints and appeals to the city of Los Angeles, air quality regulators and local officials.

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If the wells weren't properly plugged, they can potentially leak oil and chemicals into nearby water sources or send toxic substances like benzene and hydrogen sulfide into the air.

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However, the researchers found that treating the Golgi apparatus with hydrogen sulfide created T-cells that could take more stress.

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But now this bioluminescent algae is dying and releasing hydrogen sulfide gas, which causes a rotten egg smell, explained Laura Rink, associate director at Heal the Bay Aquarium in Santa Monica.

From

hydrogen peroxide hydrogen sulphate

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