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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 first power outage occurred after a crew member mistakenly closed an exhaust damper while conducting maintenance, causing one of the ship’s diesel engines to stall, investigators with the National Transportation Safety Board said in their preliminary report.
—Lea Skene, Fortune, 15 May 2024
But instead of the roar of a diesel engine, the cab filled with the gentle hum of an electric motor.
—Luis Melecio-Zambrano, The Mercury News, 30 Apr. 2024
Volvo Penta says that their diesel engines have been compatible with HVO since 2016, seeing it as a stable, high-quality fuel suitable for marine power systems that can lower fossil CO2 emissions by up to 90 percent, depending on the feedstock.
—Kathleen Turner, Forbes, 29 Mar. 2024
In one example, Rizzoli dropped a 40-page engineering report about a diesel engine along with the questionnaire for a spec sheet with 30 questions into V7 Go.
—Jeremy Kahn, Fortune, 10 Apr. 2024
It's owned by Grace Ocean Private Ltd, flies a Singapore flag and is powered by diesel engines.
—Nick Perry, Quartz, 28 Mar. 2024
The company sold motor fuel as well, but the growth stalled, choked by geographical constraints the rise of fuel injection, and the use of electronic sensors in diesel engines.
—Tyler Shepherd, USA TODAY, 31 Jan. 2024
The latest findings came after the probe expanded to construction machinery engines and then diesel engines for cars.
—Supriya Singh, Fortune Asia, 29 Jan. 2024
Enlarge Cummins Cummins, which makes diesel engines for trucks, among other products, will pay a record Clean Air Act civil penalty of $1.675 billion in a lawsuit brought by the US Department of Justice, the Environmental Protection Agency, and the California Air Resources Board.
—Jonathan M. Gitlin, Ars Technica, 10 Jan. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'diesel engine.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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 28 May. 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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