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]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Prolate — Pro*late , v. t. To utter; to pronounce. [Obs.] Foun der ed; prolate it right. B. Jonson. [1913 Webster] …   The Collaborative International Dictionary of English

  • 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

  • prolate — ► ADJECTIVE Geometry ▪ (of a spheroid) lengthened in the direction of a polar diameter. Often contrasted with OBLATE(Cf. ↑oblate). ORIGIN Latin prolatus carried forward …   English terms dictionary

  • prolate — adjective Etymology: Latin prolatus (past participle of proferre to bring forward, extend) from pro forward + latus, past participle of ferre to carry more at bear, tolerate Date: 1694 extended; especially elongated in the direction of a line… …   New Collegiate Dictionary

  • prolate — adjective Elongated at the poles. A cigar is a prolate spheroid. Ant: oblate …   Wiktionary

  • prolate — prolately, adv. prolateness, n. /proh layt/, adj. elongated along the polar diameter, as a spheroid generated by the revolution of an ellipse about its longer axis (opposed to oblate). [1685 95; < L prolatus, ptp. of proferre to bring forward,… …   Universalium

  • prolate — prəʊ leɪt adj. elongated at the poles, lengthened along the polar axis (Mathematics) …   English contemporary dictionary

  • prolate — [ prəʊleɪt] adjective Geometry (of a spheroid) lengthened in the direction of a polar diameter. Often contrasted with oblate2. Origin C17: from L. prolatus carried forward , past participle of proferre prolong , from pro forward + ferre carry …   English new terms dictionary

  • prolate — pro·late …   English syllables

  • prolate — pro•late [[t]ˈproʊ leɪt[/t]] adj. math. elongated oblate I along the polar diameter, as a spheroid generated by the revolution of an ellipse about its longer axis (opposed to oblate I). • Etymology: 1685–95; < L prōlātus, ptp. of prōferre to… …   From formal English to slang

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