| 单词 | epicycloid |
| 释义 | Word Frequency epicycloid(ˌɛpɪˈsaɪklɔɪd) noun the curve described by a point on the circumference of a circle as this circle rolls around the outside of another fixed circle, the two circles being coplanar Compare hypocycloid, cycloid (sense 4)Derived forms epicycloidal (ˌepicyˈcloidal) adjective |
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