fuel
Substance consumed to provide energy through combustion, or through chemical or nuclear reaction.
Other meanings
Substance that provides nourishment for a living organism; food.
Something that stimulates, encourages or maintains an action.
“His books were fuel for the revolution.”
Kinds of fuel
- biomass
- butane
- charcoal
- coal gas
- coke
- diesel oil
- fire
- fossil fuel
Related words
- aviation fuel
- biofuel
- flash fuel
- fossil fuel
- fuel cap
- fuel cell
- fuel duty
- flex-fuel
- fuel filter
- one-hour fuel
- fuel gauge
- fuelie
Example sentences
Word history
From Latin "focus" (hearth).
Where this comes from
This definition is adapted from “fuel” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.