- enlarged epicycloid
- мат.удлиненная эпициклоида
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Hypocycloid — In geometry, a hypocycloid is a special plane curve generated by the trace of a fixed point on a small circle that rolls within a larger circle. It is comparable to the cycloid but instead of the circle rolling along a line, it rolls within a… … Wikipedia