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 Multiple neighbors reported hearing a loud diesel engine and tires squealing. Justin Muszynski, Hartford Courant, 15 July 2024 Davis said that passengers and operators of the train don't hear the new diesel engine running. Danya Bacchus, CBS News, 29 June 2024 The four-cylinder gas and diesel engines were, well, fine. Kyle Hyatt, Robb Report, 24 June 2024 In-Use Locomotive rule The In-Use Locomotive rule, adopted in 2023, would establish age limits for trains operating in California and gradually phase out diesel engines. Tony Briscoe, Los Angeles Times, 13 June 2024 See all Example Sentences for diesel engine 

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

Time Traveler
The first known use of diesel engine was in 1894

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 27 Jul. 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

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