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.
One $130 million program on the chopping block called Solar for All aimed to help nearly 7,000 low-income Hoosiers lower electric bills and reduce their homes’ reliance on fossil fuels for energy. Karl Schneider, IndyStar, 6 Jan. 2026 Greenland also has large deposits of rare earth minerals needed to make everything from computers and smartphones to the batteries, solar and wind technologies that will power a transition away from fossil fuels. Stefanie Dazio, Chicago Tribune, 6 Jan. 2026 With its goal of achieving net-zero emissions by 2060, China is working diligently to move away from fossil fuels toward non-carbon-emitting energy sources. Ameya Paleja, Interesting Engineering, 6 Jan. 2026 And the United States, the world’s leading producer of both oil and natural gas, is now aggressively pressuring countries to keep buying and burning fossil fuels. Jennifer Morgan, The Conversation, 6 Jan. 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

Browse Nearby Words

Cite this Entry

“Fossil fuel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fossil%20fuel. Accessed 8 Jan. 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

More from Merriam-Webster on fossil fuel

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