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epicycloid

noun

epicycloid

noun

Etymology From epi- (“above or outside”) + cycloid.

1

Geometry, Mathematics, Sciences The locus of a point on the circumference of a circle that rolls without slipping on the circumference of another circle.

Derived terms
epicycloidal
Related terms
cycloid, epicycle, roulette, Spirograph

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.