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Definition of camshaft
camshaft
/ˈkæm.ʃæft/
cam · shaft
Plural:camshafts
camshaft Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
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Wordle Guess
• noun
1
A rotating shaft fitted with one or more cams, typically used in internal combustion engines to operate the intake and exhaust valves.
Example
"The mechanic determined that the engine misfire was caused by a worn lobe on the camshaft."
Word Origin & Etymology
A compound of 'cam' and 'shaft', originating in the mid-19th century as mechanical engineering and steam engine technology advanced.
Cite this Entry
Wordmom. (2026). Definition of Camshaft. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/camshaft