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[kam-shaft, -shahft] /ˈkæmˌʃæft, -ˌʃɑft/
a shaft bearing integral cams.
1875-80; cam + shaft Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for camshaft
  • Decouple the camshaft from the valves, and combustion halts.
  • During the experimentation, the original camshaft was sold to a customer of the shop.
  • Dealers will inspect the sensor and replace it with an improved camshaft position sensor.
British Dictionary definitions for camshaft


a shaft having one or more cams attached to it, esp one used to operate the valves of an internal-combustion engine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for camshaft

in internal-combustion engines, rotating shaft with attached disks of irregular shape (the cams), which actuate the intake and exhaust valves of the cylinders. The cams and the camshaft are usually formed as a unit, with the cams set at angles so as to open and close the valves in a prescribed sequence as the cams rotate. A separate camshaft for each row of cylinders is driven by gears or chains from the crankshaft.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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