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.
The state’s two largest public pension systems, which Cohen sits on the board of, have not divested from fossil fuels despite activists urging the funds to do so. William Melhado, Sacbee.com, 25 Apr. 2026 In the more immediate term, the Commission’s energy plan also proposed reshaping the bloc’s energy tax system to incentivize electrification over fossil fuels. Tristan Bove, Fortune, 24 Apr. 2026 But that ecosystem and others in the state are threatened by fossil fuel production, experts say. ArsTechnica, 24 Apr. 2026 Analysts have pointed to Spain as a prime example of how countries have been able to limit their exposure to fossil fuel price volatility in recent weeks. Sam Meredith, CNBC, 17 Apr. 2026 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 29 Apr. 2026.

Kids Definition

fossil fuel

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

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