spur gear

noun

Definition of spur gear 

: a gear wheel with radial teeth parallel to its axis

called also spur wheel

Illustration of spur gear

Illustration of spur gear

First Known Use of spur gear

1823, in the meaning defined above

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Time Traveler for spur gear

The first known use of spur gear was in 1823

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Britannica.com: Encyclopedia article about spur gear

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