Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of quadrant is as below...

Arc :: Arc (n.) A curvature in the shape of a circular arc or an arch; as, the colored arc (the rainbow); the arc of Hadley's quadrant..

Quadrantal :: Quadrantal (a.) Of or pertaining to a quadrant; also, included in the fourth part of a circle; as, quadrantal space..

Gunter''s Quadrant :: Gunter's quadrant () A thin quadrant, made of brass, wood, etc., showing a stereographic projection on the plane of the equator. By it are found the hour of the day, the sun's azimuth, the altitude of objects in degrees, etc. See Gunter's scale..

Trirectangular :: Trirectangular (a.) Having three right angles. See Triquadrantal.

Sight :: Sight (v. t.) A small aperture through which objects are to be seen, and by which their direction is settled or ascertained; as, the sight of a quadrant..

Gunter''s Scale :: Gunter's scale () A scale invented by the Rev. Edmund Gunter (1581-1626), a professor of astronomy at Gresham College, London, who invented also Gunter's chain, and Gunter's quadrant..

Sinical :: Sinical (a.) Of or pertaining to a sine; employing, or founded upon, sines; as, a sinical quadrant..

Sextant :: Sextant (n.) An instrument for measuring angular distances between objects, -- used esp. at sea, for ascertaining the latitude and longitude. It is constructed on the same optical principle as Hadley's quadrant, but usually of metal, with a nicer graduation, telescopic sight, and its arc the sixth, and sometimes the third, part of a circle. See Quadrant..

Quadrant :: Quadrant (n.) The fourth part; the quarter.

Vane :: Vane (n.) One of the sights of a compass, quadrant, etc..

Quadrant :: Quadrant (n.) An instrument for measuring altitudes, variously constructed and mounted for different specific uses in astronomy, surveying, gunnery, etc., consisting commonly of a graduated arc of 90¡, with an index or vernier, and either plain or telescopic sights, and usually having a plumb line or spirit level for fixing the vertical or horizontal direction..

Octant :: Octant (n.) An instrument for measuring angles (generally called a quadrant), having an arc which measures up to 9O¡, but being itself the eighth part of a circle. Cf. Sextant..

Quadrantal :: Quadrantal (n.) A cube.

Altimeter :: Altimeter (n.) An instrument for taking altitudes, as a quadrant, sextant, etc..

Quadrantal :: Quadrantal (n.) A cubical vessel containing a Roman cubic foot, each side being a Roman square foot; -- used as a measure..

Triquadrantal :: Triquadrantal (a.) Having three quadrants; thus, a triquadrantal triangle is one whose three sides are quadrants, and whose three angles are consequently right angles..

Pelecoid :: Pelecoid (n.) A figure, somewhat hatched-shaped, bounded by a semicircle and two inverted quadrants, and equal in area to the square ABCD inclosed by the chords of the four quadrants..

Quadrantes :: Quadrantes (pl. ) of Quadran.

Antimeter :: Antimeter (n.) A modification of the quadrant, for measuring small angles..

Log-chip :: Log-chip (n.) A thin, flat piece of board in the form of a quadrant of a circle attached to the log line; -- called also log-ship. See 2d Log, n., 2..

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