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.
Rising temperatures from fossil fuel pollution are pushing the first freeze later across much of the country, impacting agriculture, allergens and more. Alexandra Banner, CNN Money, 22 Sep. 2025 EVs are also cheaper than vehicles powered by fossil fuels, according to clean energy advocates. Molly Duerig, Miami Herald, 22 Sep. 2025 The policies the team examined foresee fossil fuel use remaining steady or declining gradually. ArsTechnica, 22 Sep. 2025 As the world is forced to transition away from fossil fuels, the demand for minerals essential to clean energy is skyrocketing. Xanthe Scharff, Time, 22 Sep. 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

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Cite this Entry

“Fossil fuel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fossil%20fuel. Accessed 27 Sep. 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

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