Pronunciation: /pəˈtroʊliəm/
noun a liquid mixture of hydrocarbons that is present in certain rock strata and can be extracted and refined to produce fuels including gasoline, diesel, and jet fuel
A1 Petroleum is used to make gasoline for cars.
A2 Many countries rely on petroleum for their energy needs.
B1 The price of petroleum has a significant impact on the economy.
B2 There are ongoing debates about the environmental impact of petroleum extraction.
C1 Research is being conducted to find alternative sources of energy to replace petroleum.
C2 The global demand for petroleum continues to rise despite efforts to promote renewable energy sources.
formal Petroleum is a fossil fuel that is commonly used for energy production.
informal My dad works in the petroleum industry, so he knows a lot about oil drilling.
slang I heard that there's a huge stash of black gold, aka petroleum, just waiting to be found.
figurative Her creativity flowed like an endless well of petroleum, fueling her artistic endeavors.
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