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 Thor says the electric drive system doubles the available torque of a diesel engine, providing confident acceleration in highway traffic and sure, steady climbing in the mountains. New Atlas, 23 Sep. 2024 Pyle started answering strangers’ questions about their gas and diesel engines on JustAnswer as a side hustle in October 2006. Megan Sauer, CNBC, 7 Aug. 2024 Rather than using a diesel engine or overhead electricity, the ultra-light rail relies on a compact, eco-friendly battery chargeable within 10 minutes and capable of running for over 20 hours straight. Chris Gallagher, USA TODAY, 5 Sep. 2024 The main propulsion diesel engine automatically shut down after its cooling pumps lost power, and the ship lost steering. Joseph Wilkinson, New York Daily News, 15 May 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 5 Oct. 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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