biogas

(redirected from Swamp gas)
Also found in: Dictionary, Thesaurus, Encyclopedia.

biogas

A gas produced by the biological degradation of organic material under anaerobic conditions, which consists primarily of methane and CO2, and smaller amounts of water vapour, nitrogen, hydrogen and other gases.
Mentioned in ?
References in periodicals archive ?
I promise not to destroy your love affair with flying saucers by poking holes in the space visitors theory and leaving you with only a ball of pulsating, fast-maneuvering swamp gas as an explanation.
"That is obviously swamp gas or a weather balloon...
Found out that methane gas (aka "swamp gas") makes up about 13 percent of all greenhouse gases in our atmosphere, and that a goodly portion of that methane gas comes from wetlands.
* Because SF6 is a man-made tracer gas, it is identifiable in the presence of most hydrocarbons including some crude oil, natural gas refined oils, swamp gas, or other natural combustibles.