Epitrochoid
Epitrochoid Ep`i*tro"choid, n. [Pref. epi- + Gr. ? wheel + -oid.] (Geom.) A kind of curve. See {Epicycloid}, any {Trochoid}. [1913 Webster] ||

The Collaborative International Dictionary of English. 2000.

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• Epitrochoid — An epitrochoid (IPAEng|ɛpɨˈtrɒkɔɪd, ˈtroʊ ) is a roulette traced by a point attached to a circle of radius r rolling around the outside of a fixed circle of radius R , where the point is a distance d from the center of the exterior circle.The… …   Wikipedia

• epitrochoid — /ep i troh koyd/, Geom. 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 …   Universalium

• epitrochoid — noun A geometric curve traced by a fixed point on one circle which rotates around the perimeter of another circle. Examples include the shape of the Wankel engine …   Wiktionary

• epitrochoid — epi·trochoid …   English syllables

• epitrochoid — A geometric path followed by a specific point located in a generating circle which is rolled around the periphery of a base circle …   Dictionary of automotive terms

• epitrochoid — …   Useful english dictionary

• Centered trochoid — In geometry, a centered trochoid is the roulette formed by a circle rolling along another circle. That is, the path traced by a point attached to a circle as the circle rolls without slipping along a fixed circle. The term encompasses both… …   Wikipedia

• Cycloid — For other uses, see Cycloid (disambiguation). A cycloid generated by a rolling circle A cycloid is the curve traced by a point on the rim of a circular wheel as the wheel rolls along a straight line. It is an example of a roulette, a curve… …   Wikipedia

• Wankel engine — The Wankel engine is a type of internal combustion engine which uses a rotary design to convert pressure into a rotating motion instead of using reciprocating pistons. Its four stroke cycle is generally generated in a space between the inside of… …   Wikipedia

• 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