(definition) by Webster 1913 Wed Dec 22 1999 at 0:16:01

Hy`po*cy"cloid (?), n. [Pref. hypo- + cycloid: cf. F. hypocycloide.] Geom.

A curve traced by a point in the circumference of a circle which rolls on the concave side in the fixed circle. Cf. Epicycloid, and Trochoid.

 

© Webster 1913.

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