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.
Officials have sought to slash climate change programs and promote fossil fuel development. Michael Phillis, Chicago Tribune, 21 Feb. 2026 Eco effort Despite the constraints of the property’s 1960 construction and historic landmark status, the units have been modernized with on-demand hot water heaters and efficient mini-split heating and air-conditioning units to reduce fossil fuel use. Condé Nast, Condé Nast Traveler, 20 Feb. 2026 Rather, the goal is to get a statistical sense of which possible futures are likely, which ones are rare, and how our fossil fuel habit disturbs that distribution. Quanta Magazine, 20 Feb. 2026 Of all fossil fuels, coal emits the most carbon dioxide per unit of energy, and burning it releases deadly pollutants into the air. Simmone Shah, Time, 20 Feb. 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 24 Feb. 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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