hydrogen sulfide


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hydrogen sulfide

n.
A colorless, flammable poisonous gas, H2S, having a characteristic rotten-egg odor and used in metallurgy, and as an antiseptic, bleach, and reagent.

hy′drogen sul′fide


n.
a colorless, flammable, water-soluble, poisonous gas, H2S, having the odor of rotten eggs: used in the manufacture of chemicals, in metallurgy, and as a reagent.
[1870–75]

hydrogen sulfide

A colorless, poisonous gas, H2S, that smells like rotten eggs. It is formed naturally by decaying organic matter and is found in volcanic gases. It has many industrial uses.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hydrogen sulfide - a sulfide having the unpleasant smell of rotten eggs
sulfide, sulphide - a compound of sulphur and some other element that is more electropositive
Translations
sulfure d'hydrogène
acido solfidrico
siarkowodór
svavelväte
References in periodicals archive ?
Hydrogen sulfide is a toxic gas with a characteristic rotten egg odor detected at 0.
Description : Replace concrete and brick manholes with new polyurea concrete manholes which are impervious to the damaging effects of Hydrogen sulfide.
The fresh data bolster the controversial claim of hydrogen sulfide superconductivity made by the same researchers in December (SN: 4/4/15, p.
When the effluent becomes turbulent, such as when a force main enters a gravity manhole, more hydrogen sulfide gas is released.
In high concentrations, hydrogen sulfide can cause shock, convulsions, inability to breathe, extremely rapid unconsciousness, coma and death with as little as a single breath.
In this research, a very sensitive and flexible sensor was produced to detect hydrogen sulfide at room temperature.
While hydrogen sulfide gas may cause some to hold their noses, it may cause others to take action.
At some of these sites, concentrations of hydrogen sulfide gas in residential ambient air were at or above levels known to cause adverse human health effects.
Loewendick, the long-time C&D landfill operator, says he had to stand up and ask what hydrogen sulfide gas was because he had never heard of it.
Of course, under the right conditions gypsum can create hydrogen sulfide gas, but you have to make those right conditions," he says.
Unlike the older Lumilux Effect Blue N, (which they replace), the new grades do not release hydrogen sulfide on exposure to moisture.
The landfill has a long history of odor complaints and hydrogen sulfide emissions exceeding the recommended safety level and is suspected of harboring subsurface fires.