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Quadrilateral   Listen
Quadrilateral

adjective
1.
Having four sides.  Synonym: four-sided.






WordNet 3.0 © 2010 Princeton University








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"Quadrilateral" Quotes from Famous Books



... supplements; and since the angle at the earth's centre subtended by the distance between the two places of observation was deducible by spherical trigonometry from the latitude and longitude of those places, the angle at the moon subtended by the same line became the fourth angle of a quadrilateral of which the other three angles were known. The four angles being thus ascertained, and two sides of the quadrilateral being radii of the earth; the two remaining sides and the diagonal, or, in other words, the moon's distance from the two places ...
— A System Of Logic, Ratiocinative And Inductive • John Stuart Mill

... reference to our Plate No. 1, which is an exact copy from Rosny's work, this page consists of three divisions: First, an inner quadrilateral space, in which there are a kind of cross or sacred tree; two sitting figures, one of which is a female, and six characters. Second, a narrow space or belt forming a border to the inner area, from which it is separated by a single line; it is separated from the outer space by a double line. ...
— Notes on Certain Maya and Mexican Manuscripts • Cyrus Thomas

... a very simple expedient for finding it. Turn to the North—that is, opposite to the point where the sun is to be found at midday. Whatever the season of the year, day of the month, or hour of the night, you will always see, high up in the firmament, seven magnificent stars, arranged in a quadrilateral, followed by a tail, or handle, of three stars. This magnificent constellation never sinks below our horizon. Night and day it watches above us, turning in twenty-four hours round a very famous star that ...
— Astronomy for Amateurs • Camille Flammarion

... The more philosophic a man's mind 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 plausible assertions pass ...
— Recent Developments in European Thought • Various

... 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 as nearly as possible to the rhombic dodecahedron, ...
— Punch, or the London Charivari, Vol. 1, August 28, 1841 • Various

... spur, just south of the railway and communicating with the sunken road, was a four-sided trench in the form of a parallelogram of some 300 yards by 150 yards, called by us the Quadrilateral. ...
— A Short History of the 6th Division - Aug. 1914-March 1919 • Thomas Owen Marden

... spent in conducting repeated expeditions into the provinces of Shansi and Pechihli, but the strength of the fortresses of Ningyuen and Shanhaikwan on the Great Wall effectually prevented his renewing his attempt on Pekin. These two places with the minor forts of Kingchow and Songshan formed a quadrilateral that effectually secured Pekin on its northern side, and being intrusted to the defense of Wou Sankwei, a general of great capacity, of whom much more will be heard, all Taitsong's ability and resources were taxed to overcome those obstacles to his progress south of the Great Wall. He succeeded ...
— China • Demetrius Charles Boulger

... 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 ...
— A Further Contribution to the Study of the Mortuary Customs of the North American Indians • H.C. Yarrow



Words linked to "Quadrilateral" :   multilateral, polygon, four-sided, quadrangle, trapezoid, many-sided, trapezium, polygonal shape, parallelogram



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