sprocket

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. roller that has teeth on the rims to pull film or paper through
• Hypernyms:
roller
• Part Holonyms:
camera, photographic camera
2. thin wheel with teeth that engage with a chain
• Syn:
sprocket wheel
• Hypernyms:
wheel
• Part Holonyms:
bicycle, bike, wheel, cycle
3. tooth on the rim of gear wheel
• Syn:
cog
• Derivationally related forms:
cog (for: cog)
• Hypernyms:
tooth
• Part Holonyms:
gear, gear wheel, geared wheel, cogwheel

• Từ đồng nghĩa / Synonyms:
  cog, sprocket wheel