petroleum
/ˌpɛtrəˈuɪələm/; /ˌpɛtrəˈuːlɪəm/Definitions
1. noun
a thick, flammable, oily liquid obtained from petroleum deposits, used as a fuel.
“The company is working on extracting petroleum from the offshore wells.”
2. noun
the industry or trade concerned with the exploration and production of petroleum.
“The country has invested heavily in the petroleum industry.”
3. noun
a type of fuel or energy derived from petroleum, such as gasoline, diesel, or jet fuel.
“The car runs on petroleum, but the driver is trying to switch to electric.”
4. adjective
relating to or derived from petroleum.
“The petroleum-based plastic is not biodegradable.”