Of or pertaining to an epicycle.

noun. A curve which is the path of a point, P describing uniformly a circular orbit relatively to a point Q which itself has a uniform circular motion about O.

adjective. Pertaining to, resembling, or having the motion of, an epicycle.

adjective. a train of mechanism in which epicyclic motion is involved; esp., a train of spur wheels, bevel wheels, or belt pulleys, in which an arm, carrying one or more of the wheels, sweeps around a center lying in an axis common to the other wheels.

adjective. of, or relating to epicycles

adjective. of or relating to an epicycle

"The first patent for a compact epicyclic hub gear was granted in 1895 to the American machinist Seward Thomas Johnson of Noblesville, Indiana, U.S.A."

epicyclic train  

epicyclical  

epicyclic gear  

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