hypocycloid

noun
hy·​po·​cy·​cloid | \ ˌhī-pō-ˈsī-ˌklȯid How to pronounce hypocycloid (audio) \

Definition of hypocycloid

: a curve traced by a point on the circumference of a circle rolling internally on the circumference of a fixed circle

First Known Use of hypocycloid

1843, in the meaning defined above

History and Etymology for hypocycloid

hypo- + cycloid entry 1

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The first known use of hypocycloid was in 1843

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