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cognitivism
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Cogswell chair
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cogwheel
cogwheel [ kóg weel ] (plural cogwheels)


noun 
Definition:
 
toothed wheel: a wheel with a series of projections around the rim that enable it to engage with projections on another wheel or rack to create traction and so produce motion
Encarta® World English Dictionary [World English Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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