crankshaft

noun
crank·​shaft | \ ˈkraŋk-ˌshaft How to pronounce crankshaft (audio) \

Definition of crankshaft

1 : a shaft driven by or driving a crank
2 : a shaft consisting of a series of cranks and crankpins to which the connecting rods of an engine are attached

Examples of crankshaft in a Sentence

Recent Examples on the Web The crankshaft whipping through the oil in the oil pan causes oil to foam. Paul Weissler, Popular Mechanics, "How to Pick the Right Motor Oil for Your Car," 31 Aug. 2020 The crankshaft position sensor tone wheel may delaminate causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall. Detroit Free Press, "Car safety recalls for August 27-Sept. 3," 4 Sep. 2020 The crankshaft position sensor tone wheel may delaminate causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall. USA TODAY, "Car recalls for August 27-Sept. 3," 4 Sep. 2020 The crankshaft position sensor tone wheel may delaminate causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall. Detroit Free Press, "Car safety recalls for August 27-Sept. 3," 4 Sep. 2020 The crankshaft position sensor tone wheel may delaminate causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall. USA TODAY, "Car recalls for August 27-Sept. 3," 4 Sep. 2020 If the oil is too thick, the engine requires more energy to turn the crankshaft, which is partly submerged in a bath of oil. Paul Weissler, Popular Mechanics, "How to Pick the Right Motor Oil for Your Car," 31 Aug. 2020 Significant issues like cracking cylinder heads, coolant leaks, and a rapid rate of wear on essential components like the crankshaft’s main bearings plagued the powerful Merlin in the mid-1930s. Alex Hollings, Popular Mechanics, "Why the Supermarine Spitfire Is Such a Badass Plane," 6 Sep. 2020 The crankshaft position sensor tone wheel may delaminate causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall. Detroit Free Press, "Car safety recalls for August 27-Sept. 3," 4 Sep. 2020

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

1854, in the meaning defined at sense 1

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The first known use of crankshaft was in 1854

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Cite this Entry

“Crankshaft.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crankshaft. Accessed 25 Feb. 2021.

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More Definitions for crankshaft

crankshaft

noun

English Language Learners Definition of crankshaft

technical : a long metal piece that connects a vehicle's engine to the wheels and helps turn them

More from Merriam-Webster on crankshaft

Britannica.com: Encyclopedia article about crankshaft

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