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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.
Word History and Origins
Origin of diesel engine1
Example Sentences
The company currently makes diesel engines for vans at its Dagenham factory in Essex.
As the UK’s fleet of diesel engines approaches retirement, manufacturers are looking to replace them with environmentally-friendly alternatives.
When she imitates the thrum of diesel engines that accompany most of her childhood memories, it’s with heartfelt nostalgia.
The train ride — a one-eighth scale model of a diesel engine — first arrived at Descanso Gardens as a seasonal attraction in the 1980s, and became a permanent feature in 1996.
The first came after a crew member mistakenly closed an exhaust damper during maintenance, causing one of the ship’s diesel engines to stall, according to the safety report.
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