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View synonyms for diesel engine
diesel engine
noun
- a compression-ignition engine in which a spray of fuel, introduced into air compressed to a temperature of approximately 1000° F (538° C), ignites at a virtually constant pressure.
diesel engine
noun
- a type of internal-combustion engine in which atomized fuel oil is sprayed into the cylinder and ignited by compression alone
diesel engine
/ dē′zəl /
- An internal-combustion engine in which the fuel oil is ignited by the heat of air that has been highly compressed in the cylinder, rather than by a spark. Due to the need for the engine to withstand very high pressures, diesel engines are relatively heavy; however, they are relatively fuel-efficient, especially when running at low power.
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Word History and Origins
Origin of diesel engine1
First recorded in 1890–95
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