epicycloid

epicycloidepicycloidD.J.:[ˌepiˈsaiklɔid]K.K.:[ˌɛpɪˈsaɪˌklɔɪd]n.1.■圆外旋轮线,外摆线

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epicycloid[,epi'saiklɔid]n.1.■【几何学】圆外旋轮线，外摆线[参较 epitrochoid]

epicycloidepicycloid[ˌepiˈsaiklɔid]n.1.■【数】圆外旋轮线, 外摆线

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继承用法epicycloidal[ˌepisaiˈklɔidəl]adj.