1. Roller that has teeth on the rims to pull film or paper through 
2. Thin wheel with teeth that engage with a chain
   - sprocket wheel 
3. Tooth on the rim of gear wheel
   - cog

Derived forms: sprockets

Type of: roller, tooth, wheel

Part of: bicycle, bike, camera, cogwheel, cycle, gear, gear wheel, geared wheel, photographic camera, wheel

Encyclopedia: Sprocket

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