Dictionary
fossil fuel
noun
: a fuel (such as coal, oil, or natural gas) that is formed in the earth from dead plants or animals
Full Definition of FOSSIL FUEL
: a fuel (as coal, oil, or natural gas) formed in the earth from plant or animal remains
— fos·sil–fueled \-ˌfyü(-ə)ld\ adjective
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First Known Use of FOSSIL FUEL
1835
Rhymes with FOSSIL FUEL
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