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spur gear

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spur gear

–noun Machinery.
a gear having straight teeth cut on the rim parallel to the axis of rotation.
Also called spur wheel.


Origin:
1815–25
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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spur gear  


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n.  A gear with teeth radially arrayed on the rim parallel to its axis.
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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