fuel
noun
combustible matter used to maintain fire, as coal, wood, oil, or gas, in order to create heat or power.
fuels
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pluralof fuel.plural
The grammatical form denoting more than one person, place, thing, or idea.
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present tense formof fuel (3rd person singular).present tense
Used to describe things happening now or regularly.
fuelnouncombustible matter used to maintain fire, as coal, wood, oil, or gas, in order to create heat or power.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Scientists estimate how much methane enters the atmosphere from sources such as wetlands, agriculture, fossil fuels and geological activity, then compare that with the amount removed through atmospheric chemistry and other processes.
From Science Daily ● Sep. 15, 2026
Fossil fuels, which include coal and natural gas, are by far the largest driver of global climate change, according to the United Nations.
From BBC ● Sep. 14, 2026
The rise in oil futures and refined fuels increased inflation and rate expectations.
From The Wall Street Journal ● Sep. 14, 2026
They would also have required future natural gas plants to meet strict emissions standards, which they could achieve by converting to cleaner-burning fuels like hydrogen.
From Los Angeles Times ● Sep. 14, 2026
“And it’s all because of climate change. Burning fossil fuels puts carbon dioxide in the atmosphere, which traps the earth’s heat.”
From "Two Degrees" by Alan Gratz
