Definition, Meaning & Synonyms

fossil-fuel

noun

/ˈfɒs.əl fjuːl/

Definition

Fossil fuel is a natural substance formed from the remains of ancient plants and animals, buried and subjected to heat and pressure over millions of years. It is a primary source of energy used for electricity generation, heating, and powering vehicles.

Examples

Coal is a type of fossil fuel that is often used for electricity generation.
Many countries are investing in renewable energy to reduce their reliance on fossil fuels.
Natural gas is considered a cleaner fossil fuel compared to coal and oil.

Meaning

Fossil fuels include coal, oil, and natural gas, which are considered non-renewable resources because they take millions of years to form and can be depleted.