cylinder head

noun

Definition of cylinder head

: the closed end of an engine or pump cylinder

Examples of cylinder head in a Sentence

Recent Examples on the Web Today, the fuel is pumped into the engine through 42 fuel-injection nozzles in the manifold ports, the cylinder heads and the throttle body that sits atop the supercharger. Paul Stenquist, New York Times, "A (Barely) Controlled Explosion, and 330 M.P.H. Before You Can Blink," 17 May 2020 The cylinder heads give a compression ratio of 10.5-to-one, and the air intake system consists of a low-restriction air cleaner, an opera-throat four-barrel carburetor, and direct manifold passages. Car and Driver, "Tested: 1964-1/2 Ford Mustang," 17 Apr. 2020 The fuel-injection system has been improved to optimize combustion, and its block, cylinder heads, connecting rods and bearings have been strengthened. Tim Spell, Houston Chronicle, "2020 Ford F-250: Off-Road Tremor addresses growing demand," 10 Apr. 2020 Today's engines are loaded with aluminum components: cylinder heads, water pumps, manifolds, even engine blocks. Mike Allen, Popular Mechanics, "How to Flush Your Radiator and Cooling System," 11 Dec. 2019 Apparently, the aluminum cylinder head doesn’t have sufficient threads to keep the spark plugs in place. San Diego Union-Tribune, "2001 Expedition’s spark plugs are ready to blow!," 21 July 2019 To achieve this with VW's ubiquitous EA888 engine, the R engineers gave it a new cylinder head (plus valves and springs), a new turbocharger, new pistons, and a new injection system. Jonathan M. Gitlin, Ars Technica, "The 2019 Volkswagen Golf R is king of the hot hatches," 12 July 2019 Unlike other diesel engines that have blocks made of compacted graphite iron, the 3.0-liter Duramax uses aluminum for both its block and cylinder head. Jeff Yip, Houston Chronicle, "Chevy adds new 460 lb.-ft. Duramax to 2020 Silverado 1500 lineup," 2 July 2019 Apparently, the aluminum cylinder head doesn't have sufficient threads to keep the spark plugs in place. Ray Magliozzi, courant.com, "Car Talk: Toyota Camry seems to swallow driver’s credit card," 9 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cylinder head.' 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 cylinder head

1884, in the meaning defined above

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Time Traveler for cylinder head

Time Traveler

The first known use of cylinder head was in 1884

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Cite this Entry

“Cylinder head.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cylinder%20head. Accessed 13 Aug. 2020.

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