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diesel

noun

  1. a type of internal-combustion engine that burns fuel oil: the ignition is brought about by heat resulting from air compression, instead of by an electric spark as in a gasoline engine
  2. a locomotive, truck, etc. powered by such an engine

intransitive verb

to continue to run after the ignition is turned off: said of an internal-combustion engine

See diesel in American Heritage Dictionary 4

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