English definition of Quadrant

English to English Dictionary ⇛
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

Definition of quadrant

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...

Quadrant (n.) One of the four parts into which a plane is divided by the coordinate axes. The upper right-hand part is the first quadrant; the upper left-hand part the second; the lower left-hand part the third; and the lower right-hand part the fourth quadrant.

Lern More About Quadrant

☛ Wiki Definition of Quadrant

☛ Wiki Article of Quadrant

☛ Google Meaning of Quadrant

☛ Google Search for Quadrant

Azimuth :: Azimuth (n.) The quadrant of an azimuth circle.

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..

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..

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

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..

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..

Backstaff :: Backstaff (n.) An instrument formerly used for taking the altitude of the heavenly bodies, but now superseded by the quadrant and sextant; -- so called because the observer turned his back to the body observed..

Quadrant :: Quadrant (n.) The quarter of a circle, or of the circumference of a circle, an arc of 90¡, or one subtending a right angle at the center..

Mural :: Mural (a.) Of or pertaining to a wall; being on, or in, a wall; growing on, or against, a wall; as, a mural quadrant..

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..

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

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

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

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..

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

Alidade :: Alidade (n.) The portion of a graduated instrument, as a quadrant or astrolabe, carrying the sights or telescope, and showing the degrees cut off on the arc of the instrument.

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..

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..

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..