petroleum

Pronunciation: /pəˈtɹoʊliəm/

The English word “petroleum” has 1 meaning listed here.

noun

A flammable liquid ranging in color from clear to very dark brown and black, consisting mainly of hydrocarbons, occurring naturally in deposits under the Earth's surface.

Learned borrowing from Medieval Latin petroleum. Doublet of petrol.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.