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fossil fuel

noun

Definition of fossil fuel

  1. :  a fuel (such as coal, oil, or natural gas) formed in the earth from plant or animal remains

fossil–fueled

play \ˈfä-səl-ˌfyü(-ə)ld\ adjective

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Examples of fossil fuel in a sentence

  1. oil and other fossil fuels

1759

First Known Use of fossil fuel

1759

FOSSIL FUEL Defined for English Language Learners

fossil fuel

noun

Definition of fossil fuel for English Language Learners

  • : a fuel (such as coal, oil, or natural gas) that is formed in the earth from dead plants or animals

Learn More about fossil fuel

  1. See words that rhyme with fossil fuel Britannica.com: Encyclopedia article about fossil fuel

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Examples: fossil fuel in a sentence