marsh gas


Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.

marsh gas:

see methanemethane
, CH4, colorless, odorless, gaseous saturated hydrocarbon; the simplest alkane. It is less dense than air, melts at −184°C;, and boils at −161.4°C;. It is combustible and can form explosive mixtures with air.
..... Click the link for more information.
.

marsh gas

[′märsh ‚gas]
(geochemistry)
Combustible gas, consisting chiefly of methane, produced as a result of decay of vegetation in stagnant water.

marsh gas

a hydrocarbon gas largely composed of methane formed when organic material decays in the absence of air
References in periodicals archive ?
MT and AMT methods were applied to clarify fault structures in Kushiro, Hokkaido, Japan and demonstrate the exploration of deposits of coal and marsh gas. One-dimensional inversion with a smoothing term was carried out to improve the precision of analysis.
This releases large quantities of methane, marsh gas, which is even more potent than carbon dioxide in warming the atmosphere, making it likely that the permafrost will thaw out even quicker.
Let's just say he's as insubstantial as a cloud of marsh gas. Tossing in a couple of extra throw cushions would've made a bigger impact.