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English definition of “fuel”


noun     /ˈfjuːəl/
[C or U] NATURAL RESOURCES a substance which is used to provide heat or power , usually by being burned : oil , gas and other kinds of fuel nuclear fuel fossil fuelsfuel costs/prices Domestic fuel costs have risen sharply over the past few months . The new exhaust system , it is claimed , will lower fuel consumption .
[U] anything that keeps people's ideas or feelings active , or makes them stronger : The news reports were designed to add fuel to the debate over interest rates .
(Definition of fuel noun from the Cambridge Business English Dictionary © Cambridge University Press)
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