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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.

But for now, most in Europe still rely on fossil fuel imports.

From BBC • Apr. 3, 2026

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

From The Wall Street Journal • Mar. 27, 2026

By 1952, Haagy had figured out the smog recipe: Start with the dirty leftovers of burning fossil fuel from factories, oil refineries, and the unburned gas exhaust from cars and trucks.

From Los Angeles Times • Mar. 26, 2026

Last year, a separate Nature study found extreme heat linked to emissions from 111 fossil fuel companies caused $28 trillion in global economic losses between 1991 and 2020.

From Barron's • Mar. 25, 2026

How much fossil fuel was burned to keep it refrigerated and fly it to the U.S.?

From "The Omnivore's Dilemma" by Michael Pollan