 | Victor Tyson Wilson - Geometry, Descriptive - 1909 - 282 pages
...considered. revolution of a right line about another right line to which it is parallel ; an ellipsoid, formed by the revolution of an ellipse about one of its axes;* a paraboloid, formed by the revolution of a parabola about its axis; a ayperboloid of revolution of... | |
 | John Alexander Luman - Arithmetic - 1914 - 366 pages
...surface by J of the diameter, or multiply the cube of the diameter by .5236. 1083. A spheroid is a solid formed by the revolution of an ellipse about one of its axes. 1084. To find the volume, or contents, of a spheroid. 1085. RULE. — Multiply the square of the revolving... | |
 | Charles Lane Poor - Astronomy - 1922 - 350 pages
...is of importance in the discussion of the planetary motions. The important type of bodies are those formed by the revolution of an ellipse about one of its axes. If in the figure the ellipse ANBS be revolved about the axis NS, it will develop a solid, such that... | |
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... the spheroid will be oblate or prolate, according as the revolution is performed about the minor or major axis of the ellipse. 
