noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The locus of a point on the circumference of a circle that rolls without slipping on the circumference of another circle.
2. 2
   a line generated by a point on a circle rolling around another circle wordnet

Synonyms

All synonyms

hypocycloid

Etymology

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

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