Meanings
nounfossil oil (uncountable)
- uncountablecrude oil
Synonyms & antonyms
nouna dark oil consisting mainly of hydrocarbons
Broader
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
fossil oil. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/fossil%20oil
MLA
“fossil oil.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fossil%20oil. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “fossil oil,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/fossil%20oil.
Source: fossil oil on Wiktionary, CC BY-SA 4.0.