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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



... invaluable treasure and comfort to me. In harbour I live in the cabin. It is hung round with barometers (aneroids), sympie-someters, fixed chest for chronometers, charts, &c. Of course, wherever the "Southern Cross" goes I go too, and I am a most complete skipper. I feel as natural with my quadrant in my hand as of old with a cricket bat. Then I do rather have good salt-water baths, and see glorious sunsets and sunrises, and star-light nights, and the great many-voiced ocean, the winds and waves chiming all ...
— Life of John Coleridge Patteson • Charlotte M. Yonge

... to be met in the Quadrant from eleven to one in the morning, and three till five in the afternoon. I would have one before luncheon, get another after luncheon, dine, and have a third women. I would at other times go under the Opera colonade, ...
— My Secret Life, Volumes I. to III. - 1888 Edition • Anonymous

... This was an instrument by means of which sailors measured the height of the sun above the horizon at noon, and could thus tell the distance of the ship from the equator. It is in use on all the ships at the present time, but it has been greatly improved, and is now called the quadrant. ...
— Discoverers and Explorers • Edward R. Shaw

... Achilles, and the woes of Greece;" would it were so in England. Then, my poetical public, we should have Anacreon Moore singing his "Rich and rare were the gems she wore," in some such place as the Quadrant, or Opera Colonnade; and Sir Walter Scott celebrating the Field of Waterloo, not in the broad-margined octavos of Paternoster-row, but about the purlieus of the Horse Guards. Wordsworth would be his own Skylark. The laureate, Southey, would ...
— The Mirror of Literature, Amusement, and Instruction - Vol. 12, Issue 330, September 6, 1828 • Various

... of the use of the maps will serve to explain their nature better than any detailed description. Suppose first, that—at one of the hours named under Map I.—the observer wishes to find Castor and Pollux:—Turning to Map I. he sees that these stars lie in the lower left-hand quadrant, and very nearly towards the point marked S.E.; that is, they are to be looked for on the sky towards the south-east. Also, it is seen that the two stars lie about one-fourth of the way from the centre towards the circumference. ...
— Half-hours with the Telescope - Being a Popular Guide to the Use of the Telescope as a - Means of Amusement and Instruction. • Richard A. Proctor


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