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
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According to Chery, the new system will also be 10 percent lighter than comparable setups and cut vibration levels by 30 percent compared with standard diesel engines.
—
Sujita Sinha, Interesting Engineering, 23 Feb. 2026
The challenges lie mostly in the big difference between gasoline and diesel engine designs; specifically compression ratios and fuel mixtures.
—New Atlas, 23 Feb. 2026
Sheikh Hamad bin Hamdan Al Nahyan commissioned the build, which sits atop an Oshkosh military truck frame and gets its twist from a 15.2-liter Caterpillar C15 diesel engine making 600 horsepower.
—Caleb Jacobs, The Drive, 8 Jan. 2026
During the pandemic, the carriage was fitted with a diesel engine that runs on bio-diesel fuel, marking the fourth phase of construction.
—Stephanie Ogilvie, San Diego Union-Tribune, 4 Dec. 2025
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Sujita Sinha, Interesting Engineering, 23 Feb. 2026
The challenges lie mostly in the big difference between gasoline and diesel engine designs; specifically compression ratios and fuel mixtures.
—New Atlas, 23 Feb. 2026
Sheikh Hamad bin Hamdan Al Nahyan commissioned the build, which sits atop an Oshkosh military truck frame and gets its twist from a 15.2-liter Caterpillar C15 diesel engine making 600 horsepower.
—Caleb Jacobs, The Drive, 8 Jan. 2026
During the pandemic, the carriage was fitted with a diesel engine that runs on bio-diesel fuel, marking the fourth phase of construction.
—Stephanie Ogilvie, San Diego Union-Tribune, 4 Dec. 2025
See All Example Sentences for diesel engine
Cite this Entry
“Diesel engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diesel%20engine. Accessed 26 Feb. 2026.
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