a, e, g, l, n, p, r, t, y are letters that make 'planetary gear'
gear, lane, LAN, plan, ear, AN, la, ETA, eta, ar, tar, Ea, plane, planetary, net, ane, AR, LA, NE, planet, Ar, Ge, La, Ne, Ta are words within 'planetary gear'
1 possible definitions for 'planetary gear'
Under this definition, planetary gear is a noun and has the following properties:
epicyclic gear, planet wheel, planet gear have the same meaning as 'planetary gear'
'planetary gear' can be a type of gear, gear wheel, geared wheel, cogwheel.
'planetary gear' can be a part of epicyclic train, epicyclic gear train.