pro·late /ˈproˌlet/
  (a.)扁長的,擴展的,延長的
  Pro·late a.  Stretched out; extended; especially, elongated in the direction of a line joining the poles; as, a prolate spheroid; -- opposed to oblate.
  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.
  Pro·late v. t. To utter; to pronounce. [Obs.] “Foun-der-ed; prolate it right.”
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  prolate
       adj 1: having the polar diameter greater than the equatorial
              diameter; "a prolate spheroid is generated by
              revolving an ellipse about its major axis" [syn: watermelon-shaped]
              [ant: oblate]
       2: rounded like an egg [syn: egg-shaped, elliptic, elliptical,
           oval, ovate, oviform, ovoid]