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diesel engine
noun
: an internal combustion engine in which air is compressed to a temperature sufficiently high to ignite fuel injected into the cylinder where the combustion and expansion actuate a piston
Examples of diesel engine in a Sentence
Recent Examples on the Web
Mexico is the No. 1 U.S. market for gasoline and other refined petroleum, motor vehicle parts, computer parts, corn, electric storage batteries, pork, diesel engines, cell phones and related equipment; second for soybeans, solar panels, beef and more.
—Ken Roberts, Forbes, 27 Nov. 2024
Ten years ago, Bruce Crower had the very first working 6-stroke diesel engine in the world.
—New Atlas, 19 Sep. 2024
The first blackout occurred when it was still docked in Baltimore after a crew member mistakenly closed an exhaust damper while conducting maintenance, causing one of its diesel engines to stall, according to safety investigators.
—Lea Skene and Alanna Durkin Richer, Los Angeles Times, 18 Sep. 2024
Efficient, long-lasting diesel engines are more attractive to companies hauling goods and transporting large numbers of people.
—Michael Leamy, Discover Magazine, 2 Nov. 2024
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Word History
First Known Use
1894, in the meaning defined above
Dictionary Entries Near diesel engine
Cite this Entry
“Diesel engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel%20engine. Accessed 22 Dec. 2024.
Kids Definition
diesel engine
noun
: an internal-combustion engine in which air is compressed to make enough heat to ignite the fuel in the cylinder
More from Merriam-Webster on diesel engine
Britannica.com: Encyclopedia article about diesel engine
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