fossil fuel

noun

: a fuel (such as coal, oil, or natural gas) formed in the earth from plant or animal remains
fossil-fueled adjective

Examples of fossil fuel in a Sentence

oil and other fossil fuels
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
About two-thirds of the energy Coloradans use still comes from fossil fuels, Caldara said. Judith Kohler, Denver Post, 22 Dec. 2025 Trump has been hostile to renewable energy, particularly offshore wind, and prioritizes fossil fuels to produce electricity. Matthew Daly, Fortune, 22 Dec. 2025 Proponents say renewable energy is instrumental in reducing the global reliance on fossil fuels, and the industry continues to grow worldwide despite political challenges. Michelle Stoddart, ABC News, 22 Dec. 2025 It is well known that the use of AI demands enormous amounts of electrical energy, much of it generated by fossil fuels, exacerbating the already terminal climate crisis. Douglas Markowitz, Miami Herald, 19 Dec. 2025 See All Example Sentences for fossil fuel

Word History

First Known Use

1759, in the meaning defined above

Time Traveler
The first known use of fossil fuel was in 1759

Browse Nearby Words

Cite this Entry

“Fossil fuel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fossil%20fuel. Accessed 25 Dec. 2025.

Kids Definition

fossil fuel

noun
: a fuel (as coal, oil, or natural gas) that is formed in the earth from plant or animal remains

More from Merriam-Webster on fossil fuel

Last Updated: - Updated example sentences
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