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 spheroid; -- opposed to {oblate}. [1913 Webster]

{Prolate cycloid}. See the Note under {Cycloid}.

{Prolate ellipsoid} or {Prolate spheroid} (Geom.), a figure generated by the revolution of an ellipse about its major axis. Contrasted with {oblate spheroid}. See {Ellipsoid of revolution}, under {Ellipsoid}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • 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

  • Prolate spheroid — A prolate spheroid is a spheroid in which the polar diameter is longer than the equatorial diameter.Prolate spheroids in sportThe prolate spheroid is the shape of the ball in several sports, such as Rugby Football and Australian Rules Football.… …   Wikipedia

  • prolate spheroid — noun Etymology: prolate (II) : an ellipsoid of revolution generated by revolving an ellipse about its major axis …   Useful english dictionary

  • 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 spheroid;… …   The Collaborative International Dictionary of English

  • Prolate cycloid — 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

  • Prolate ellipsoid — 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

  • 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

  • Prolate spheroidal coordinates — are a three dimensional orthogonal coordinate system that results from rotating the two dimensional elliptic coordinate system about the focal axis of the ellipse, i.e., the axis on which the foci are located. Rotation about the other axis… …   Wikipedia

  • prolate — [prō′lāt΄] adj. [L prolatus, pp. of proferre, to bring forward: see PRO 1 & BEAR1] extended or elongated at the poles [a prolate spheroid] …   English World dictionary

  • Spheroid — A spheroid is a quadric surfaceobtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi diameters. If the ellipse is rotated about its major axis, the result is a prolate (elongated)… …   Wikipedia

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