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ellipsoid of revolution

British  

noun

  1. Also called: spheroid.  a geometric surface produced by rotating an ellipse about one of its two axes and having circular plane surfaces perpendicular to the axis of revolution

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Newton showed that an ellipsoid of revolution should differ from a sphere by a compression of 1/230.

From Fables of Infidelity and Facts of Faith Being an Examination of the Evidences of Infidelity by Patterson, Robert

This can be obtained by considering the disk56 as a limiting case of an oblate ellipsoid of revolution, charged to potential V, say.

From Lord Kelvin An account of his scientific life and work by Gray, Andrew

A surface expressing the optical relations of such crystals is thus an ellipsoid of revolution about the optic axis.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

Accordingly the distribution of electricity is such that equal parallel slices of the ellipsoid of revolution taken normal to the axis of revolution carry equal charges on their curved surface.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various

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