Meanings
nounfossil gas (uncountable)
- uncountablegas (mainly composed of methane) derived from a fossil source, i.e. decomposed plant and animal matter, preserved in sediment or sedimentary rock; fossil-derived fuel gas.
Synonyms: natural gas
Synonyms & antonyms
noungas (mainly composed of methane) derived from a fossil source, i.e. decomposed plant and animal matter, preserved in sediment or sedimentary rock; fossil-derived fuel gas.
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Cite this entry
APA
fossil gas. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/fossil%20gas
MLA
“fossil gas.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fossil%20gas. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “fossil gas,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/fossil%20gas.
Source: fossil gas on Wiktionary, CC BY-SA 4.0.