epitrochoid
/ep-i-troh-koid/US // ˌɛp ɪˈtroʊ kɔɪd //
卵石类,卵石型,体外循环,卵石类动物
Definitions
- 1
Geometry.
- : a plane curve generated by the motion of a fixed point on the radius or extension of the radius of a circle that rolls externally, without slipping, on a fixed circle. The epitrochoid is a generalization of the epicycloid.
Examples
The curve may be regarded as an epitrochoid (see Epicycloid) in which the rolling and fixed circles have equal radii.
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