herpolhoden.

/ˈhəːpəlhəʊd/

Etymology: < Greek ἑρπειν to creep + πόλος pole + ὁδός way, path.

Geometry.

A plane curve described by the point of contact of an ellipsoid with a fixed plane, the centre of the ellipsoid being fixed while the ellipsoid rolls upon the plane.

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poloid1862

serpoloid1862

polhode1866

herpolhode1868

1868 E. J. Routh Rigid Dynamics 329 The point of contact of the ellipsoid with the plane on which it rolls traces out two curves, one on the surface of the ellipsoid, and one on the plane..the second..is called the herpolhode.

This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2018).

单词	herpolhode
释义	herpolhoden. /ˈhəːpəlhəʊd/ Etymology: < Greek ἑρπειν to creep + πόλος pole + ὁδός way, path. Geometry. A plane curve described by the point of contact of an ellipsoid with a fixed plane, the centre of the ellipsoid being fixed while the ellipsoid rolls upon the plane. ΘΚΠ the world > relative properties > number > geometry > curve > [noun] > polholde or herpolhode poloid1862 serpoloid1862 polhode1866 herpolhode1868 1868 E. J. Routh Rigid Dynamics 329 The point of contact of the ellipsoid with the plane on which it rolls traces out two curves, one on the surface of the ellipsoid, and one on the plane..the second..is called the herpolhode. This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2018). < n.1868
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