"fuels" in the noun sense
1. fuel
a substance that can be consumed to produce energy
"more fuel is needed during the winter months"
"they developed alternative fuels for aircraft"
"fuels" in the verb sense
1. fuel
provide with a combustible substance that provides energy
"fuel aircraft, ships, and cars"
2. fuel, fire
provide with fuel
"Oil fires the furnace"
3. fuel
take in fuel, as of a ship
"The tanker fueled in Bahrain"
4. fuel
stimulate
"fuel the debate on creationism"
Source: WordNet® (An amazing lexical database of English)
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