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Quadrant   /kwˈɑdrənt/   Listen
Quadrant

noun
1.
A quarter of the circumference of a circle.  Synonym: quarter-circle.
2.
Any of the four areas into which a plane is divided by two orthogonal coordinate axes.
3.
The area enclosed by two perpendicular radii of a circle.
4.
A measuring instrument for measuring altitude of heavenly bodies.






WordNet 3.0 © 2010 Princeton University








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"Quadrant" Quotes from Famous Books



... a second later; but his blouse caught in the teeth of the quadrant. He stooped quick as thought, and peeled the thing over his head. Then he was caught fast by the wristbands, and the ponies of the 44 tipped over the broken abutment. Pull as he would he couldn't get free. The pilot dipped into the torrent ...
— Golden Stories - A Selection of the Best Fiction by the Foremost Writers • Various

... the men, one and all, still grasping their respective slew-ropes firmly in their hands, and without bending a joint in their whole bodies, fell simultaneously on their backs, flat on the water! The effect of this sudden movement was to turn the cylinder a full quadrant, or one quarter of a revolution. This, of course, brought a considerable strain on the hawser fixed to the anchor. On a second signal being given, every alternate pair of men gradually crept up the spars by means of their slew-ropes, till one-half of the number stood once more ...
— The Lieutenant and Commander - Being Autobigraphical Sketches of His Own Career, from - Fragments of Voyages and Travels • Basil Hall

... nearly 63 per cent in power. This shows that the most available point at which to work steam expansively is at I/4, as the percentage of increase of power does not equal the percentage of loss in economy. The nearer you bring the reverse lever to center of quadrant, the earlier will the valve cut the steam and the less will be the average pressure, while the farther away from the center the later in the stroke will the valve cut the steam, and the greater the average pressure, and, consequently, ...
— Rough and Tumble Engineering • James H. Maggard

... were allowed to collect twine, canvass, lines, sails, cordage, an eight-and-twenty-gallon cask of water, and the carpenter to take his tool-chest. Mr. Samuel got one hundred and fifty pounds of bread with a small quantity of rum and wine ... also a quadrant and ...
— The Works of Lord Byron - Poetry, Volume V. • Lord Byron

... four parts.] Quadrisection. — N. quadrisection, quadripartition[obs3]; quartering &c. v; fourth; quart; quarter, quartern[obs3]; farthing (i.e. fourthing)[obs3]; quadrant. V. quarter, divide into four parts. Adj. quartered &c. ...
— Roget's Thesaurus

... column was erected, an iron Maypole, on the first day of the month of flowers, and the last on the 27th of October. Three weeks later the last girder was in place. All had been done with the precision of machinery, no pillar varying half an inch from its line. Machinery, indeed, rolled the quadrant-shaped sections of each column and riveted their flanges together with hydraulic hammers; great steam-derricks dropped each on its appointed seat; and the main tasks of manual labor in either building were painting, glazing, floor-laying and erecting ...
— Lippincott's Magazine of Popular Literature and Science, April, 1876. • Various

... he knew where Disko kept the old greencrusted quadrant that they called the "hog-yoke"—under the bed-bag in his bunk. When he took the sun, and with the help of "The Old Farmer's" almanac found the latitude, Harvey would jump down into the cabin and scratch the ...
— "Captains Courageous" • Rudyard Kipling

... of the cure the Marquise felt no inclination to change her mind. She saw before her a stout, rotund little man, with a ruddy, wrinkled, elderly face, which awkwardly and unsuccessfully tried to smile. His bald, quadrant-shaped forehead, furrowed by intersecting lines, was too heavy for the rest of his face, which seemed to be dwarfed by it. A fringe of scanty white hair encircled the back of his head, and almost reached his ears. Yet the priest looked as if by nature he had a genial disposition; ...
— A Woman of Thirty • Honore de Balzac

... the imagination of dramatists. It is, on the contrary, a code actually received and obeyed by great numbers of people. We need not go to Utopia or Fairyland to find them. They are near at hand. Every night some of them cheat at the hells in the Quadrant, and others pace the Piazza in Covent Garden. Without flying to Nephelococcygia or to the Court of Queen Mab, we can meet with sharpers, bullies, hard- hearted impudent debauchees, and women worthy of such paramours. The morality of the Country ...
— Critical and Historical Essays Volume 2 • Thomas Babington Macaulay

... small cask of water, and a quadrant and compass were put into the boat, also some bread and a small quantity of rum and wines. When this was done the officers were brought up one by one and forced over the side. There was a great deal of rough ...
— The Junior Classics • Various

... from Carlton House to a country mansion to be built for George IV. in Regent's Park. Nash's great idea, the combining of many separate buildings into one uniform facade, is here seen at its best. At first a lengthy colonnade supported by columns 16 feet high ran on either side of the quadrant, but this darkened the shops, so it was removed. The street is famous for its shops, which line it from end to end; it has also the merit of being wider than most of the ...
— The Strand District - The Fascination of London • Sir Walter Besant

... what's the use of compass or a quadrant or a log? Keep her loafin' on her mudhook in a norther or a fog. But as soon's the chance is better, then well ratch her off once more, Keepin' clost enough for bearings from ...
— Blow The Man Down - A Romance Of The Coast - 1916 • Holman Day

... mechanism with which his name is more especially identified, is what is denominated the "Quadrant." This is practically the fourth part of a large wheel, which is so arranged and connected that it performs almost exactly the same functions on a mule that Holdsworth's differential motion performs on ...
— The Story of the Cotton Plant • Frederick Wilkinson

... degrees of sensitiveness. One constructor who furnished much to this part of the exhibition was Mr. Th. Edelmann of Munich, whose apparatus are represented in a group in Fig. 3. Among them we remark the following: A quadrant electrometer (Fig. 4), in which the horizontal 8-shaped needle is replaced by two connected cylindrical surfaces that move in a cylinder formed of four parts; a Von Beetz commutator; spyglasses with scale for reading measuring instruments (Fig. 3); apparatus for the study of magnetic ...
— Scientific American Supplement, No. 421, January 26, 1884 • Various

... of the rising sun. I had a complete observation of the progress and the close of the eclipse. I determined the distance of the horns, or the differences of altitude and azimuth, by the passage over the threads of the quadrant. The eclipse terminated at 2 hours 14 minutes 23.4 seconds mean ...
— Equinoctial Regions of America • Alexander von Humboldt

... endowed with the faculty of speech. Their clothes, moreover, do not grow upon their backs, although they look very much as if they did. They come over here in large numbers from other countries, chiefly from France; and in London abound in Leicester-square, and are constantly to be met with under the Quadrant in Regent-street, where they grin, gabble, chatter, and sometimes dance, to the no small diversion ...
— Punch, or the London Charivari, Volume 1, Complete • Various

... gratify the desire of the moment. About this time—the beginning of May—an event occurred which threatened disappointment to the object of the expedition. This was the disappearance, from the middle of the fort, of the quadrant, a large instrument in a case, on which the possibility of making the proposed observations entirely depended. Search was instantly made in every direction, and at length, through the intervention of the friendly chiefs, portions were discovered ...
— Captain Cook - His Life, Voyages, and Discoveries • W.H.G. Kingston

... Bishop-Lavington in Wiltshire, about the latter end of September 1688, about three o'clock in the afternoon. This was more than a semicircle. B. B. two balls of light. They were about eleven degrees above the Horizon by the quadrant; observed by Mr. Robert Blea, one of ...
— Miscellanies upon Various Subjects • John Aubrey

... complete success, by a set of convicts, eleven in number, including a woman, wife of one of the party, and two little children. They seized the governor's cutter and putting into her a seine, fishing-lines, and hooks, firearms, a quadrant, compass, and some provisions, boldly pushed out to sea, determined to brave every danger and combat every hardship, rather than remain longer in a captive state. Most of these people had been brought out in the first fleet, and ...
— A Complete Account of the Settlement at Port Jackson • Watkin Tench

... the qualification of officers of that description, namely, whether he understand navigation, is competent to lay off and ascertain courses and distances on the charts, can work a day's work and find the time of high and low water in any port of great Britain, and understand the use of a quadrant." ...
— King's Cutters and Smugglers 1700-1855 • E. Keble Chatterton

... greatest possible accuracy he constructed a wooden outdoor quadrant some ten feet in radius, with a brass scale, thus permitting readings to ...
— THE HISTORY OF EDUCATION • ELLWOOD P. CUBBERLEY

... concentric rings. Each ring is divided into four quadrants, which are coloured red, yellow, green, and blue. The spaces between the rings are white. When the top is in motion, it is easy to see in which quadrant the instantaneous axis is at any moment and the distance between it and the axis of the instrument; and we observe,—1st. That the instantaneous axis travels in a closed curve, and returns to its original position in the body. 2ndly. ...
— Five of Maxwell's Papers • James Clerk Maxwell

... mingled some dismal memories with so many that were joyous. Of the fisher-wife, for instance, who had cut her throat at Canty Bay; and of how I ran with the other children to the top of the Quadrant, and beheld a posse of silent people escorting a cart, and on the cart, bound in a chair, her throat bandaged, and the bandage all bloody - horror! - the fisher-wife herself, who continued thenceforth ...
— Across The Plains • Robert Louis Stevenson

... flag of the UK in the upper hoist-side quadrant and the Falkland Island coat of arms in a white disk centered on the outer half of the flag; the coat of arms contains a white ram (sheep raising is the major economic activity) above the sailing ship Desire (whose crew discovered the islands) ...
— The 1995 CIA World Factbook • United States Central Intelligence Agency

... with the flag of the UK in the upper hoist-side quadrant and the Anguillan coat of arms centered in the outer half of the flag; the coat of arms depicts three orange dolphins in an interlocking circular design on a white background with blue ...
— The 2001 CIA World Factbook • United States. Central Intelligence Agency.

... which were the most requisite for distant voyaging, the compass and the astrolabe (the predecessor of the quadrant), were already, in 1400, known and used by Mediterranean navigators. The property of turning towards the north, possessed by a magnetized needle, was certainly known as early as the close of the twelfth century; and even its use by sailors to find their directions when the ...
— European Background Of American History - (Vol. I of The American Nation: A History) • Edward Potts Cheyney

... no step of thine recede. Behind me gain the mountain, till to us Some practis'd guide appear." That eminence Was lofty that no eye might reach its point, And the side proudly rising, more than line From the mid quadrant to the centre drawn. I wearied thus began: "Parent belov'd! Turn, and behold how I remain alone, If thou stay not." —" My son!" He straight reply'd, "Thus far put forth thy strength; "and to a track Pointed, that, on this side projecting, round Circles the hill. His words so ...
— The Divine Comedy • Dante

... camel-hair brush, the precipitate is gently brought into the glass. Most precipitates come away easily, and the transfer can be made without apparent loss. The watch-glass is covered by the funnel, and the filter-paper (folded into a quadrant) held by the tweezers and set fire to with the flame of a Bunsen burner. It is allowed to burn over the crucible, into which the black bulky ash is allowed to drop, and two or three drops of nitric acid are then added. The crucible is placed on a pipe-stem triangle (fig. ...
— A Textbook of Assaying: For the Use of Those Connected with Mines. • Cornelius Beringer and John Jacob Beringer



Words linked to "Quadrant" :   measuring system, measuring instrument, measuring device, area, country, line



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