the form of a tun; an ellipsoid or similar figure.
单词 | θ115958 |
释义 | the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > sphere > spheroid (5) tun form1551 the form of a tun; an ellipsoid or similar figure. spheroid1664 A body approaching in shape to a sphere, esp. one formed by the revolution of an ellipse about one of its axes. oblate spheroid, prolate spheroid… prolate spheroid1724 a spheroid produced by the revolution of an ellipse about its longer axis. ellipsoid1734 A solid of which all the plane sections through one of the axes are ellipses, and all other sections ellipses or circles. Formerly in narrower… geoid1880 A notional surface approximating the shape of the earth at mean sea level, being at every point perpendicular to the direction of gravity at that… |
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