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cogwheel

[kog-hweel, -weel] /ˈkɒgˌʰwil, -ˌwil/
noun
1.
(not in technical use) a gearwheel, especially one having teeth of hardwood or metal inserted into slots.
Origin of cogwheel
late Middle English
1375-1425
late Middle English word dating back to 1375-1425; See origin at cog1, wheel
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for cogwheel

cogwheel

/ˈkɒɡˌwiːl/
noun
1.
another name for gearwheel
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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