hypotrochoid
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Hypotrochoid — Hy po*tro choid, n. [Pref. hypo + trochoid.] (Geom.) A curve, traced by a point in the radius, or radius produced, of a circle which rolls upon the concave side of a fixed circle. See {Hypocycloid}, {Epicycloid}, and {Trochoid}. [1913 Webster] … The Collaborative International Dictionary of English
Hypotrochoid — A hypotrochoid is a roulette traced by a point attached to a circle of radius r rolling around the inside of a fixed circle of radius R , where the point is a distance d from the center of the interior circle. The red curve is a hypotrochoid… … Wikipedia
hypotrochoid — hy·po·trochoid … English syllables
hypotrochoid — … 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
Ellipse — Elliptical redirects here. For the exercise machine, see Elliptical trainer. This article is about the geometric figure. For other uses, see Ellipse (disambiguation). Not to be confused with ellipsis. An ellipse obtained as the intersection of a… … Wikipedia
Hipotrocoide — Una hipotrocoide, en geometría, es la curva plana que describe un punto vinculado a una circunferencia generatriz que rueda dentro de una circunferencia directriz, tangencialmente, sin deslizamiento. La palabra se compone de las raíces griegas… … Wikipedia Español
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
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
Spirograph — is a registered trademark of Hasbro, Inc., for a geometric drawing toy.The Spirograph produces mathematical curves of the variety technically known as hypotrochoids and epitrochoids. The term has also been used to describe a variety of software… … Wikipedia
