PROLATE • FREE-TRANSLATOR.COM • Definition of Prolate

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verb

Prolate v. t. To utter; to pronounce. (Obs.) "Foun-der-ed; prolate it right."

adjective

Prolate adj. 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.

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Etymology of 'Prolate'

Collaborative International Dictionary of English 0.48

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"Prolate" Quotes from Famous Books

... moon does turn the same face towards us; i.e. has ceased to rotate with respect to the earth (if ever it did so). The stability of this state of things was shown by Lagrange to depend on the shape of the moon. It must be slightly egg-shape, or prolate—extended in the direction of the earth; its earth-pointing diameter being a few hundred feet longer than its visible diameter; a cause slight enough, but nevertheless sufficient to maintain stability, except under the action of a ...

— Pioneers of Science • Oliver Lodge

... wheel of a coach rolls along the ground, any point of its periphery describes in the air a curve which is termed a cycloid; any point within the periphery traces a prolate or protracted cycloid, and any point exterior to the periphery traces a curtate or contracted cycloid—the prolate cycloid partaking more of the nature of a straight line, and the curtate cycloid more ...

— A Catechism of the Steam Engine • John Bourne