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/pəˈtɹoʊliəm/ · 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..
petroleum-based products
Coal and petroleum do not occur hap-hazard in nature, but the aggregate occurrence of each product in any region forms a definite, limited horizon, which, in its continuance, is independent of the bedding plane.
Use petroleum when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Petroleum means 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..
Common synonyms include black gold, dino juice, dino oil, dinosaur juice.
The opposite depends on the specific sense.
petroleum-based products
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