epicyclic train
noun Machinery.
a train of gears or pulleys in which one or more of the axes revolve about a central axis.
Nearby words
epicurean, epicureanism, epicurus, epicuticle, epicycle, epicyclic train, epicycloid, epicycloidal gear, epicycloidal wheel, epicystitis, epicystotomy
Origin of epicyclic train
First recorded in 1885–90
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for epicyclic train
epicyclic train
noun
a cluster of gears consisting of a central gearwheel with external teeth (the sun), a coaxial gearwheel of greater diameter with internal teeth (the annulus), and one or more planetary gears engaging with both of them to provide a large gear ratio in a compact space
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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