hydrogen sulfide

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

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

hy′drogen sul′fide

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.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

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

Schwefelwasserstoff

sulfure d'hydrogène

acido solfidrico

siarkowodór

svavelväte

Mentioned in

References in periodicals archive

Hydrogen sulfide protects against myocardial ischemia and reperfusion injury by activating AMP-activated protein kinase to restore autophagic flux.

Hydrogen Sulfide Regulating Myocardial Structure and Function by Targeting Cardiomyocyte Autophagy

University staff members visited the farm on September 26, 2016, to ascertain potential sources of sulfur that might have caused elevated hydrogen sulfide levels in the stored manure, such as gypsum animal bedding (3).

Death of a farm worker after exposure to manure gas in an open air environment--Wisconsin, August 2016

* Hydrogen sulfide is a toxic gas with a characteristic rotten egg odor detected at 0.0005-0.3 parts per million (ppm), with olfactory fatigue at >100 ppm where continued exposure can temporarily disable the sense of smell (ATSDR, 2006).

Geothermal gases--community experiences, perceptions, and exposures in Northern California

The fresh data bolster the controversial claim of hydrogen sulfide superconductivity made by the same researchers in December (SN: 4/4/15, p.

Superconductivity record challenged: Meissner effect detected in relatively 'warm' hydrogen sulfide

It is a process whereby anaerobic (non-air, or oxygen breathing) bacteria common to municipal waste flows form in raw sewage effluent and naturally create hydrogen sulfide gas ([H.sub.2]S).

Manhole rehabilitation is corrosion really caused by [H.sub.2]S?

Hydrogen sulfide is a hazardous gas that may lead to death depending on its concentration and emission time.

Nanodevice Invented in Iran to Detect Hydrogen Sulfide in Oil, Gas Industry

Some studies have suggested that reducing caloric intake prompts cells to produce hydrogen sulfide. Another way of triggering the cells to make hydrogen sulfide gas is to reduce protein intake rather than reduce caloric intake.

Hydrogen sulfide may lengthen life

The Uinta Basinwas identified as the starting point for operations due to two significant problems in the region's existing wells: persistence of bacteria and a proliferation of hydrogen sulfide in the wells.

COMPANY TREATS NATURAL GAS PRODUCTION WELLS

Seven days after the researchers added quebracho tannins to the manure, they found that hydrogen sulfide and methane production had been reduced more than 90 percent and that production continued to dwindle for another 3 weeks.

Controlling odors and greenhouse gas emissions from stored swine manure

LOS ANGELES, Calif., April 17, 2014 -- Stem cells in bone marrow need to produce hydrogen sulfide in order to properly multiply and form bone tissue, according to a new study.

Correct stem cell function requires hydrogen sulfide