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Quadrilateral   Listen
noun
Quadrilateral  n.  
1.
(Geom.) A plane figure having four sides, and consequently four angles; a quadrangular figure; any figure formed by four lines.
2.
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.






Collaborative International Dictionary of English 0.48








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"Quadrilateral" Quotes from Famous Books



... more serious mistake, which proved ruinous. He withdrew from the war after his first defeats when his army was beat, indeed, but neither broken nor disorganized, when he still held the unconquered quadrilateral, and when Prussia and Germany were arming to support him. In 1866 he was equally imprudent in the war against Prussia, when a continuation of the contest would have obliged France, whether willingly or otherwise, to intervene, and would probably ...
— Pius IX. And His Time • The Rev. AEneas MacDonell

... copper-colored, stipitate, nodding; stipe concolorous or darker below, subulate, curved at the apex, 2-4 times the sporangium; calyculus about one-half the sporangium, finely ribbed and granulose within, the margin nearly even; the net rather rudimentary, the meshes large, triangular or quadrilateral, the nodules also large, flat, concolorous, the threads slender, transparent, with free ends few; spores in mass copper-colored, by transmitted light ...
— The North American Slime-Moulds • Thomas H. (Thomas Huston) MacBride

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

... to have belonged to the Dugong, but the incisor resembles the corresponding tooth of the wombat in its enamelled structure and position. See Figure 2 Plate 49 and a section of the wombat's teeth in Figure 7 Plate 48. But it differs in the quadrilateral figure of its transverse section, in which it corresponds with the inferior incisors ...
— Three Expeditions into the Interior of Eastern Australia, Vol 2 (of 2) • Thomas Mitchell

... sepulchres; a small and a large quadrangular court, one surrounded, as we have said, by cloisters; subterranean initiatory galleries beneath; oracles, courts of justice, high places, and cells or dwellings for the various orders of priests. The whole combination of the buildings is encircled by a quadrilateral pilastered portico, embracing a quadrangular area, and resting on a terraced platform. This platform exhibits the same architectural model, which we have described as characterising the single temples. It is composed of ...
— Diary in America, Series Two • Frederick Marryat (AKA Captain Marryat)

... the hexagon into perspective, draw base of quadrilateral AD, divide it into four equal parts, and from each division draw lines to point of sight. From h drop perpendicular ho, and form equilateral triangle mno. Take the height ho and measure it twice along the base from A to 2. From 2 draw line to point of distance, or from 1 to ...
— The Theory and Practice of Perspective • George Adolphus Storey

... part of the Forum, with which it was connected by colonnades extending east and west. It is 75 ft. long, 39 wide, and 39 high, and is supposed to have been erected in the time of Antoninus Pius. It stands on a platform, and is encompassed by a quadrilateral peristyle of 30 Roman-Corinthian columns surmounted by a plain architrave, scroll frieze, sculptured dentils, and a fluted cornice. All the columns are attached, excepting the ten which support the pediment. In the area within the railing are mutilated statues ...
— The South of France—East Half • Charles Bertram Black

... made an examination of a few of the many Indian mounds found on Rock River, about two miles above Sterling, Ill. The first one opened was an oval mound about 20 feet long, 12 feet wide, and 7 feet high. In the interior of this I found a dolmen or quadrilateral wall about 10 feet long, 4 feet high, and 4 1/2 feet wide. It had been built of lime-rock from a quarry near by, and was covered with large flat stones. No mortar or cement had been used. The whole structure rested on the surface of the natural ...
— A Further Contribution to the Study of the Mortuary Customs of the North American Indians • H.C. Yarrow

... as we have seen, enclosed by walls, perhaps by Canute, certainly by the Normans, and these seem to have been enlarged by King John, and rebuilt and repaired after the French raid of 1338. They formed a rude quadrilateral, roughly seven hundred yards from north to south, and three hundred from east to west, were from twenty-five to thirty feet high and of varying thickness. Something of them still remains, especially upon the west of the town over ...
— England of My Heart—Spring • Edward Hutton

... lower Mississippi Valley, eastward to the seacoast, there are many large earthworks, including round and quadrilateral mounds, embankments, canals, and artificial lakes. Similar works can be traced to the southern extremity of Florida. Some were constructed as sites for large buildings. The tribes to whom they are due are ...
— The Story of Extinct Civilizations of the West • Robert E. Anderson

... head of an ancient Scoto-Irish cross. The next point is to find the shaft—it lies not far off, deep in the turf. And when we take the grass and moss from its face, it discloses some extremely curious quadrilateral decorations, quite peculiar, and not in conformity with any type of form which would enable its date to be guessed at within a century or ...
— The Book-Hunter - A New Edition, with a Memoir of the Author • John Hill Burton

... the deputy's phrase, was limited to the space contained between the house, the lawn on the right and the angle formed by the left wall and the wall opposite the house, that is to say, a quadrilateral of about a hundred yards each way, in which the ruins of Ambrumesy, the famous mediaeval monastery, ...
— The Hollow Needle • Maurice Leblanc

... is, the less ready will he be to let an assertion pass without examination as obviously true. Thus Euclid makes a famous assumption—the 'parallel-postulate'—which amounts to the assertion that if three of the angles of a rectilinear quadrilateral are right angles, the fourth will be a right angle. The mathematicians of the eighteenth and early nineteenth centuries, again, generally assumed that if a function is continuous it can always be differentiated. A comparatively unphilosophical mind may let such ...
— Recent Developments in European Thought • Various

... traveler supposed to have been the first European to have penetrated ancient China. The water-clock, elsewhere, is found to be out of order and not running, and you assume that the water of the Pearl River is too muddy for delicate mechanisms. The execution ground is found to be merely a quadrilateral of vacant land, employed by native potters when not required by the State when a group of criminals is to be officially put ...
— East of Suez - Ceylon, India, China and Japan • Frederic Courtland Penfield

... rains but it pours. The French have made a fine push and got the Quadrilateral by 8 a.m. with but little loss. The Turks seemed discouraged, they say, and did not ...
— Gallipoli Diary, Volume I • Ian Hamilton

... angle (of, say 25 deg.) with its base; and one (of, say 65 deg.) with the posterior plane that is perpendicular to it; taking care at the same time to leave between each parallelopedal section an insterstice isometrical with the smaller sides of any one of their six quadrilateral superficies, so as to admit of the free circulation of the atmospheric fluid. Superimposed upon this, arrange several moderate-sized concretions of the hydro-carburetted substance (vulgo coal), approximating in figure ...
— Punch, or the London Charivari, Vol. 1, August 28, 1841 • Various

... Reggio and Modena; and this title was soon after raised to that of Marquis. The Marches governed as Vicar of the Empire by Tedaldo included Reggio, Modena, Ferrara, Brescia, and probably Mantua. They stretched, in fact, across the north of Italy, forming a quadrilateral between the Alps and Apennines. Like his father, Tedaldo adhered consistently to the Imperial party; and when he died and was buried at Canossa, he in his turn bequeathed to his son Bonifazio a power and jurisdiction ...
— Sketches and Studies in Italy and Greece, Complete - Series I, II, and III • John Symonds



Words linked to "Quadrilateral" :   polygon, trapezoid, many-sided, four-sided, multilateral, tetragon



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