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sprocket wheel

 - 2 dictionary results

sprock⋅et

[sprok-it]
–noun
1. Machinery.
a. Also called chainwheel, sprocket wheel. a toothed wheel engaging with a conveyor or power chain.
b. one tooth of such a wheel.
2. Carpentry. a wedge-shaped piece of wood extending a sloping roof over the eaves with a flatter pitch.

Origin:
1530–40; orig. uncert.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To sprocket wheel
sprocket wheel  
n.  A wheel rimmed with toothlike projections, used to engage the links of a chain in a pulley or drive system.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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