fossil fuel 1
noundomain: substance
Princeton WordNet [ver.3.1]
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EnglishDefinition
fuel consisting of the remains of organisms preserved in rocks in the earth's crust with high carbon and hydrogen content
Hypernym
fuel 1
noun
a substance that can be consumed to produce energy
EnglishHyponym
coal 1
noun
fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period
natural gas 1
noun
a fossil fuel in the gaseous state; used for cooking and heating homes
petroleum 1
noun
a dark oil consisting mainly of hydrocarbons
