diesel engine

noun

Definition of diesel engine 

: 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

Larger 3-liter diesel engines built by Audi and used in sport-utility vehicles produced by Audi, VW and Porsche, Volkswagen’s sports-car brand, were also manipulated. William Boston, WSJ, "Audi CEO Arrested in Emissions-Cheating Investigation," 18 June 2018 Most diesel engines in America are relegated to commercial use (think duallies and semis). Philip Armour, Popular Mechanics, "The Fledgling Revival of American Diesel," 6 Mar. 2018 The manipulation of diesel engines affected 2-liter engines that were made by Volkswagen and used in some Audi vehicles, such as some compact A3 models. William Boston, WSJ, "Audi CEO Arrested in Emissions-Cheating Investigation," 18 June 2018 Nonetheless, Toyota is strongly emphasizing its hybrid technology, offering two different gasoline-electric powertrains and only one conventional gasoline engine; the diesel engine previously offered has been dropped entirely. Joseph Capparella, Car and Driver, "New Toyota Auris for Europe Previews Upcoming Corolla Hatchback for America," 6 Mar. 2018 The bride’s father is a mechanical engineer, developing cooling systems, in the Fridley, Minn., office of Cummins, the diesel engine and generator manufacturer. Peter Van Dyken, New York Times, "Christine Kim, Adam Fetcher," 24 June 2018 Among other things, GE’s transportation business manufactures freight and passenger trains, marine diesel engines and mining equipment. Hallie Detrick, Fortune, "Why GE Is Trying to Spin Off Its Transportation Business," 21 May 2018 The standard engine will be 5.3-liter V8 but the AT4 can be ordered with the 6.2 gas or 3.0-liter diesel engines. Jeff Yip, Houston Chronicle, "GMC hatches next-gen 2019 half-ton, offers off-road version, carbon-fiber bed," 7 Apr. 2018 Cargo ships, trucks, trains and other diesel engines are the biggest polluters in Southern California and the greatest obstacle to residents breathing clean air. Tony Barboza, latimes.com, "Southern California regulators have a chance to rein in freight pollution. Will they take it?," 5 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diesel engine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of diesel engine

1894, in the meaning defined above

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Last Updated

16 Oct 2018

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Time Traveler for diesel engine

The first known use of diesel engine was in 1894

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More Definitions for diesel engine

diesel engine

noun

English Language Learners Definition of diesel engine

: a type of engine that uses diesel fuel rather than gasoline and that is used especially in large vehicles (such as trucks and buses)

diesel engine

noun

Kids Definition of diesel engine

: an engine in which the mixture of air and fuel is compressed until enough heat is created to ignite the mixture that uses diesel fuel instead of gasoline

More from Merriam-Webster on diesel engine

Britannica.com: Encyclopedia article about diesel engine

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