Epicyclic

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Of or relating to epicycles. not-comparable
  2. 2
    Of a gearbox, having two gears mounted so that the center of one gear revolves around the center of the other. not-comparable

    "Power is derived from a British United Traction Limited "A"-type 150-h.p. six-cylinder horizontal diesel engine; this drives through a fluid flywheel, and thence through a free wheel unit to a four-speed epicyclic gearbox."

Adjective
  1. 1
    of or relating to an epicycle wordnet

Synonyms

All synonyms
epicyclicalplanetaryplanetary

Example

More examples

"Power is derived from a British United Traction Limited "A"-type 150-h.p. six-cylinder horizontal diesel engine; this drives through a fluid flywheel, and thence through a free wheel unit to a four-speed epicyclic gearbox."

Etymology

From epicycle + -ic.

Related phrases

epicyclic gear

More for "epicyclic"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.