What is the meaning of petroleum?

A dark oil consisting mainly of hydrocarbons.
- synonyms: crude oil, crude, rock oil, fossil oil, oil

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APA	WordNet. (2010). petroleum. Retrieved September 20, 2026, from http://smartdefine.org/petroleum/definitions/1249179
Chicago	WordNet. 2010. "petroleum" http://smartdefine.org/petroleum/definitions/1249179 (accessed September 20, 2026).
Harvard	WordNet 2010, petroleum, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/petroleum/definitions/1249179>.
MLA	WordNet. "petroleum" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/petroleum/definitions/1249179>

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