QUADRILATERAL • DICTIONARY ONE.COM • Definition of Quadrilateral

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noun

Quadrilateral n.

(Geom.) A plane figure having four sides, and consequently four angles; a quadrangular figure; any figure formed by four lines.

An area defended by four fortresses supporting each other; as, the Venetian quadrilateral, comprising Mantua, Peschiera, Verona, and Legnano.

Complete quadrilateral (Geom.), the figure made up of the six straight lines that can be drawn through four points, A, B, C, I, the lines being supposed to be produced indefinitely.

adjective

Quadrilateral adj. Having four sides, and consequently four angles; quadrangular.

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Etymology of 'Quadrilateral'

Collaborative International Dictionary of English 0.48

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"Quadrilateral" Quotes from Famous Books

... this number has been greatly increased, thanks to eagerly prosecuted local researches. De Pulligny mentions a hundred in Upper Normandy[214]; Martinet says they are very numerous in Berry; one of the most remarkable, the quadrilateral of Haute-Brenne, covered an area of nearly three thousand acres.[215] Amongst the forests on the Vosges Mountains were discovered long single and double walls, the course of which follows the crest of the ramparts overlooking ...

— Manners and Monuments of Prehistoric Peoples • The Marquis de Nadaillac

... huge quadrilateral with canted corners, ten meters long, six wide, five high. A luminous ceiling, decorated with delicate arabesques, distributed a soft, clear daylight over all the wonders gathered in this museum. For a museum it ...

— 20000 Leagues Under the Seas • Jules Verne

... should be carefully noted) with the Sungari as the undisputed dividing-line between the Russian and Japanese spheres in Manchuria, and with Japanese shallow-draft gun-boats navigating that waterway and entering the Nonni river, it would be easily possible for Japan to complete a "Continental quadrilateral" which would include Korea, South Manchuria and Inner Mongolia, the extreme western barrier of which would be the new system of Inner Mongolian railways centring round Taonanfu and terminating at Jehol, for which Japan already holds the building rights. [Footnote: Russian diplomats now deny ...

— The Fight For The Republic In China • B.L. Putnam Weale

... desires, because they declare that it is both a discovery and a revelation, an achievement and a rescue. There are vigorous and rapidly growing popular movements of the day which rest their summation of faith on the quadrilateral of an inerrant and verbally inspired Scripture, the full deity of Jesus Christ, the efficacy of His substitutionary atonement, the speedy second coming of the Lord. No sane person can suppose that these cults succeed because of the ethical insight, the spiritual ...

— Preaching and Paganism • Albert Parker Fitch

... walls were moulded in the same fashion. Temples and caves were sometimes combined, for instance at Bazaklik where many edifices were erected on a terrace in front of a series of caves excavated in a mountain corner. Few roofed buildings are well preserved but it seems certain that some were high quadrilateral structures, crowned by a dome of a shape found in Persia, and that others had barrel-shaped roofs, apparently resembling the chaityas of Ter and Chezarla.[472] Le Coq states that this type of architecture ...

— Hinduism and Buddhism, An Historical Sketch, Vol. 3 (of 3) • Charles Eliot

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