"fueling" in the noun sense
1. fueling, refueling
the activity of supplying or taking on fuel
"fueling" in the verb sense
provide with a combustible substance that provides energy
"fuel aircraft, ships, and cars"
2. fuel, fire
provide with fuel
"Oil fires the furnace"
take in fuel, as of a ship
"The tanker fueled in Bahrain"
"fuel the debate on creationism"
Source: WordNet® (An amazing lexical database of English)
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