1. An outer gear that revolves about a central sun gear of an epicyclic train
   - epicyclic gear, planet wheel, planet gear

Derived forms: planetary gears

Type of: cogwheel, gear, gear wheel, geared wheel

Part of: epicyclic gear train, epicyclic train

Encyclopedia: Planetary gear

• northwest by north
• northwest by west
• Northwest Passage
• Northwest Territories
• northwest wind
• northwester
• northwesterly
• northwestern
• northwestern United States
• northwestward
• northwestwardly
• nortriptyline
• Noruz
• Norvasc
• Norvir
• Norway
• Norway lobster
• Norway maple
• Norway rat
• Norway spruce
• Norwegian
• Norwegian elkhound
• Norwegian krone
• Norwegian lobster
• Norwegian monetary unit