crank·​case | \ ˈkraŋk-ˌkās How to pronounce crankcase (audio) \

Definition of crankcase

: the housing of a crankshaft

Examples of crankcase in a Sentence

Recent Examples on the Web

Durability measures include iron cylinder liners, seven nodular iron main bearing caps, a deep-skirt block design, and a stiffness-enhancing aluminum lower crankcase extension attached to the main bearing caps. Jeff Yip, Houston Chronicle, "Chevy adds new 460 lb.-ft. Duramax to 2020 Silverado 1500 lineup," 2 July 2019 The oily gaseous mixture then deposits on the intake valves via the positive crankcase ventilation, or PCV, system. Bob Weber,, "Drivers can ship your car cross country," 8 July 2018 The word wilderness will slip out, and dynamite, sand in the crankcase, slow elk, naked swimming mixed with William Blake and have a beer, bub. Aaron Gilbreath, Longreads, "The Red Caddy," 24 Apr. 2018 Check the manual to see if the PCV valve is a check valve or some other method for metering manifold vacuum into the crankcase. Mike Allen, Popular Mechanics, "How to Find a Vacuum Leak," 28 Feb. 2011 Smoke coming out of the oil-fill port like this might be indicative of a bad crankcase vent system, depending on the vehicle. Mike Allen, Popular Mechanics, "How to Find a Vacuum Leak," 28 Feb. 2011 The brakes use engine vacuum to reduce the pedal effort, and the emissions-control system relies on the negative pressure to prevent crankcase fumes from escaping. Mike Allen, Popular Mechanics, "How to Find a Vacuum Leak," 28 Feb. 2011 In the case of a bicycle, as Newman suggests, the crankcase moves the bike analogously to the rider’s physical exertion. Ian Bogost, The Atlantic, "Why Computers Should Be Hidden," 25 Oct. 2017 One motor is integrated into the turbocharger, another is installed on the combustion engine with a link to the crankcase, and the two remaining motors drive the front wheels. Kirsten Korosec, Fortune, "This Is What a $2.7 Million Mercedes Looks Like," 11 Sep. 2017

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

circa 1878, in the meaning defined above

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Statistics for crankcase

Last Updated

22 Jul 2019

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Time Traveler for crankcase

The first known use of crankcase was circa 1878

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English Language Learners Definition of crankcase

technical : the part of an engine that contains the crankshaft

More from Merriam-Webster on crankcase

Rhyming Dictionary: Words that rhyme with crankcase Encyclopedia article about crankcase

Comments on crankcase

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authorized for issue (as a bond)

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