单词 | ellipsoid of revolution |
释义 | > as lemmasellipsoid of revolution 1. 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 sense: A solid generated by the revolution of an ellipse round one of its axes; now called ellipsoid of revolution. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > sphere > spheroid tun form1551 spheroid1664 prolate spheroid1724 ellipsoid1734 geoid1880 the world > space > shape > curvature > curved three-dimensional shape or body > [noun] > sphericity or globularity > spheroidicity > spheroid > types of prolate spheroid1724 ellipsoid1734 ovoid1778 ovaloid1899 1734 tr. P. L. M. de Maupertuis Diss. Cœlestial Bodies 7 in J. Keill Exam. Burnet's Theory of Earth (ed. 2) The Earth must be an Ellipsoid whose Equatorial Diameter is to its Axis as √289 to √288. 1787 Philos. Trans. (Royal Soc.) 77 202 Ellipsoids of different degrees of oblateness. 1831 D. Brewster Treat. Optics vi. 55 A meniscus whose convex surface is part of an ellipsoid. 1871 B. Stewart Heat (ed. 2) §281 The isothermal surfaces are ellipsoids. 1879 C. Niven (title) On the Conduction of Heat in Ellipsoids of Revolution. < as lemmas |
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