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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
The problem is that burning hydrogen in a natural gas turbine is like putting gasoline in a diesel engine.
—David Szondy, New Atlas, 14 Dec. 2024
While ferries don't have the same charging requirements as heavier ships, many companies are building redundancies into their crafts to ensure longer trips and less time at the charging station: Many ferries are powered by both batteries and diesel engines that can be used to offset one another.
—Leah Carroll, Newsweek, 1 Nov. 2024
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
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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 30 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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