Diesel Engine Definition

dēzəl
noun
An internal-combustion engine that uses the heat of highly compressed air to ignite a spray of fuel introduced after the start of the compression stroke.
American Heritage

An internal combustion engine which operates using diesel fuel.

Wiktionary

(rail transport) A diesel locomotive.

Wiktionary
Synonyms:

Other Word Forms of Diesel Engine

Noun

Singular:
diesel engine
Plural:
diesel-engines

Origin of Diesel Engine

  • After Rudolf Diesel

    From American Heritage Dictionary of the English Language, 5th Edition

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diesel engine