swamp gas

Betekenis (Engels)

1. Gases emitted from a swamp.
2. (colloquial) Hydrogen sulfide.
3. A skeptical explanation that is provided in order to debunk a UFO sighting that a believer regards as ludicrous, illogical or disingenuous.

Sinonieme

hydrogen sulfide

hydrogen sulphide

methane

rotten egg gas

Vertalings

Sumpfgas

Schwefelwasserstoff

hydrogène sulfuré

gaz des marais

sulfure d'hydrogène

waterstofsulfide

sulfuro de hidrógeno

غاز المستنقعات

gas de pantanos

Etimologie (Engels)

* (hydrogen sulfide): So called because it is often emitted from wetlands such as swamps as a result of anaerobic bacteria, and is responsible for their foul “rotten egg” odor.
* (ufology): An explanation given by then-skeptic J. Allen Hynek for an alleged UFO sighting in Michigan near Lake Huron in 1966.