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spheroid of revolution

См. также в других словарях:

  • Spheroid — Sphe roid, n. [L. spheroides ball like, spherical, Gr. ???; ???? sphere + e i^dos form: cf. F. sph[ e]ro[ i]de.] A body or figure approaching to a sphere, but not perfectly spherical; esp., a solid generated by the revolution of an ellipse about… …   The Collaborative International Dictionary of English

  • spheroid — n. 1 a spherelike but not perfectly spherical body. 2 a solid generated by a half revolution of an ellipse about its major axis (prolate spheroid) or minor axis (oblate spheroid). Derivatives: spheroidal adj. spheroidicity n …   Useful english dictionary

  • spheroid — noun A solid of revolution generated by rotating an ellipse about its major (prolate), or minor (oblate) axis. UFOs are reported as being either oblate (saucer shaped) or prolate (cigar shaped) spheroids …   Wiktionary

  • spheroid — /ˈsfɪərɔɪd/ (say sfearroyd) noun 1. a solid of revolution obtained by rotating an ellipse about one of its two axes. –adjective 2. → spheroidal …  

  • Oblate spheroid — Spheroid Sphe roid, n. [L. spheroides ball like, spherical, Gr. ???; ???? sphere + e i^dos form: cf. F. sph[ e]ro[ i]de.] A body or figure approaching to a sphere, but not perfectly spherical; esp., a solid generated by the revolution of an… …   The Collaborative International Dictionary of English

  • Prolate spheroid — Spheroid Sphe roid, n. [L. spheroides ball like, spherical, Gr. ???; ???? sphere + e i^dos form: cf. F. sph[ e]ro[ i]de.] A body or figure approaching to a sphere, but not perfectly spherical; esp., a solid generated by the revolution of an… …   The Collaborative International Dictionary of English

  • Oblate spheroid — Oblate Ob*late , a. [L. oblatus, used as p. p. of offerre to bring forward, offer, dedicate; ob (see {Ob }) + latus borne, for tlatus. See {Tolerate}.] [1913 Webster] 1. (Geom.) Flattened or depressed at the poles; as, the earth is an oblate… …   The Collaborative International Dictionary of English

  • Prolate spheroid — Prolate Pro late, a. [L. prolatus, used as p. p. of proferre to bring forth, to extend; pro + latus, p. p. See {Pro }, and {Tolerate}. ] Stretched out; extended; especially, elongated in the direction of a line joining the poles; as, a prolate… …   The Collaborative International Dictionary of English

  • ellipsoid of revolution — noun a shape that is generated by rotating an ellipse around one of its axes it looked like a sphere but on closer examination I saw it was really a spheroid • Syn: ↑spheroid • Derivationally related forms: ↑spheroidal (for: ↑spheroid) …   Useful english dictionary

  • Ellipsoid of revolution — Ellipsoid El*lip soid, n. [Ellipse + oid: cf. F. ellipsoide.] (Geom.) A solid, all plane sections of which are ellipses or circles. See {Conoid}, n., 2 (a) . [1913 Webster] Note: The ellipsoid has three principal plane sections, a, b, and c, each …   The Collaborative International Dictionary of English

  • mean spheroid — noun : an imaginary spheroid which is commonly assumed to be an ellipsoid of revolution but may have three unequal axes, which coincides most nearly with the actual figure of the earth at the plane of sea level, and to which trigonometrical… …   Useful english dictionary

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