crude oil and natural gas
nounUK /kruːd ɔɪl ænd ˈnætʃrəl ɡæs/
US /kruːd ɔɪl ænd ˈnætʃərəl ɡæs/
These are thick, dark liquids and invisible gases found deep under the ground that people use to make fuel and power.
Trucks carry crude oil and natural gas from wells to big factories.
OTHER MEANINGS
2. The raw, unprocessed form of petroleum as it comes out of the ground.
The tanker was filled with crude oil and natural gas before sailing.
3. Resources that formed from ancient plants and animals over millions of years.
Scientists study how crude oil and natural gas are made underground.
4. Products that are burned to create heat, electricity, or movement.
Many homes use crude oil and natural gas to stay warm in winter.