epicycloid

epicycloid Definition

epi·cy·cloid (ep′ə sī′klo̵id′)

noun

Geom. the curve traced by a point on the circumference of an epicycle that rolls around the outside of a fixed circle

Etymology: epicycl(e) + -oid

epicycloid Related Forms

ep′i·cy·cloi′·dal (-klo̵id′'l) adjective

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