Fossil fuel

noun

Definitions

Noun
  1. 1
    Any fuel derived from hydrocarbon deposits such as coal, petroleum, natural gas and, to some extent, peat; these fuels are non-renewable, and their burning moves carbon from underground into the atmosphere via the greenhouse gas carbon dioxide.

    "[…]but we also have the technological means and know-how to help free America from the grip of fossil fuels."

  2. 2
    fuel consisting of the remains of organisms preserved in rocks in the earth's crust with high carbon and hydrogen content wordnet

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