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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 hypotrochoid
 長短輻圓內旋輪線; 次內擺線

From: Webster's Revised Unabridged Dictionary (1913)

 Hy·po·tro·choid n.  Geom. A curve, traced by a point in the radius, or radius produced, of a circle which rolls upon the concave side of a fixed circle. See Hypocycloid, Epicycloid, and Trochoid.
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