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: {prolate}, {watermelon-shaped}] [ant: {oblate}, {pumpkin-shaped}] 2: rounded like an egg [syn: {egg-shaped}, {elliptic}, {elliptical}, {oval}, {oval-shaped}, {ovate}, {oviform}, {ovoid}, {prolate}]
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]
Prolate \Pro*late"\, v. t. To utter; to pronounce. [Obs.] "Foun-der-ed; prolate it right." --B. Jonson. [1913 Webster]