Meaning ofswamp gasin English

Noun

1. emissions from swampy areas
   The presence of swamp gas in the area can be hazardous to health.
2. a dismissive explanation for unexplained phenomena
   Scientists have debunked the idea that unexplained lights are caused by swamp gas.
   Synonyms:

   old wives' taletall talemythlegendexcuse
   Antonyms:

   explanationreasonjustificationaccountclarification
3. a type of toxic gas (hydrogen sulfide)
   Hydrogen sulfide, a type of swamp gas, is highly toxic and flammable.
   Synonyms:

   hydrogen sulfidesewer gasstink damp
   Antonyms:

   oxygenfresh airclean air