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Definitions

fossil fuel

[fos-uhl fyoo-uhl] / ˈfɒs əl ˈfyu əl /
NOUN
fuel derived from prehistoric organisms
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Two options are often put forward by experts: reducing fossil fuel consumption and significantly expanding renewables.

From Barron's • Apr. 1, 2026

A 2,000-year-old cement battery could reduce our reliance on fossil fuel.

From The Wall Street Journal • Mar. 27, 2026

This would make only a "tiny difference", he said, adding the fossil fuel industry will never have lots of spare capacity which is why prices go "through the roof" when there is a supply crunch.

From BBC • Mar. 25, 2026

It follows the government's Warm Homes Plan, which promised £15bn to help UK households pay for green technologies as part of efforts to cut fossil fuel use and drive down energy bills.

From BBC • Mar. 24, 2026

Back then, the Naylor farm produced more than two calories of food energy for every calorie of fossil fuel energy invested.

From "The Omnivore's Dilemma" by Michael Pollan