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diesel

Syllabification: (die·sel)

Pronunciation: /ˈdēzəl, -səl/

Translate diesel | into French | into German | into Italian | into Spanish

Definition of diesel

noun

(also diesel engine)

an internal combustion engine in which heat produced by the compression of air in the cylinder is used to ignite the fuel: [as modifier]:a diesel locomotive
a heavy petroleum fraction used as fuel in diesel engines:eleven gallons of diesel