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The meaning of SPHEROID is a figure resembling a sphere; also : an object of approximately spherical shape. a figure resembling a sphere; also : an object of approximately spherical shape… See the full definition
Jul 19, 2024 · Denote the equal semi-axes lengths of a spheroid, call the equatorial radius, and call the other semi-axis length the polar radius . Then if , the spheroid is called an oblate spheroid, and if , the spheroid is called an prolate spheroid. If all three semi-axes lengths are the same so , the ellipsoid is a sphere.
Spheroidal definition: pertaining to a spheroid or spheroids. . See examples of SPHEROIDAL used in a sentence.
Being an equipotential surface, the geoid is, by definition, a surface upon which the force of gravity is perpendicular everywhere, apart from temporary tidal fluctuations. This means that when traveling by ship, one does not notice the undulation of the geoid ; neglecting tides, the local vertical (plumb line) is always perpendicular to the geoid and the local horizon tangential to it.
SPHEROID translate: 球体;扁球体，椭球体. Learn more in the Cambridge English-Chinese simplified Dictionary.
spheroid, n. & adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary
An ellipsoid is a surface that can be obtained from a sphere by deforming it by means of directional scalings, or more generally, of an affine transformation.. An ellipsoid is a quadric surface; that is, a surface that may be defined as the zero set of a polynomial of degree two in three variables.
