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.
Harnessing sunlight to melt metal The revolutionary concept uses solar rays to reach temperatures as high as 2,642 degrees Fahrenheit (1,450 degrees Celsius) to melt stainless steel without burning any fossil fuels. Georgina Jedikovska, Interesting Engineering, 6 Oct. 2025 The administration exempted from furlough those workers who process fossil fuel permits and leases. Jordan Blum, Fortune, 4 Oct. 2025 The icy landscape of the Arctic has transformed much faster than expected, as humans burn fossil fuels and heat the planet. Laura Paddison, CNN Money, 3 Oct. 2025 The burning of fossil fuels is the indisputable culprit. Andrea Thompson, Scientific American, 3 Oct. 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 8 Oct. 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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