hypocycloïdecommon nounSyllable DecompositionhypocycloïdeEtymologyexpandsee hypo- and cycloid.Definition1. Curve generated by the revolution of a point on the circumference of a circle that rolls on the concave (hence inner) part of another circle.géométrieexpandPluralhypocycloïdesTranslationsenglish:hypocycloidrussian:гипоциклоидаSee alsohypocycloïdal (adj.)