fossil fuel |
| noun
- any fuel derived from hydrocarbon deposits such as coal, petroleum, natural gas and, to some extent, peat; these fuels are irreplaceable, and their burning generates the greenhouse gas carbon dioxide
| | fuel |
| noun
- a flammable substance
- a substance consumed to power an engine through the release of chemical or nuclear energy
- a substance used by a machine or a process to produce energy or power
verb (fuell, ing)
- to provide fuel
- to exacerbate, to cause to grow or become greater
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