Sentence example with the word 'epicycloid'


Definition n. a line generated by a point on a circle rolling around another circle

Last update: July 8, 2015


It may be regarded as an epicycloid in which the rolling and fixed circles are equal in diameter, as the inverse of a parabola for its focus, or as the caustic produced by the reflection at a spherical surface of rays emanating from a point on the circumference.   [Please select]


With the aid of a system of tangents of which I first showed him the rule and the method of construction, my artist has obtained the ordinary cycloid, followed by the interior and the exterior epicycloid and, lastly, the same curves both lengthened and shortened.   [Please select]

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- epicycloid - aardwolf