(Organic chemistry, uncountable) The simplest aliphatic hydrocarbon, CH4, being a constituent of natural gas.
swamp-gas
(Colloquial) hydrogen sulfide
A gas or vapor used especially in chemical warfare to injure, disable, or kill upon inhalation or contact.
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Find another word for marsh-gas. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for marsh-gas, like: methane, swamp-gas and poison-gas.
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