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Noun
planetary gear
has 1 sense
planetary gear
,
epicyclic gear
,
planet wheel
,
planet gear
- an outer gear that revolves about a central sun gear of an epicyclic train
--
1
is a kind of
gear
,
gear wheel
,
cogwheel
--
1
is a part of
epicyclic train
,
epicyclic gear train
,
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