Meaning of Quadrant

English Translation from English to English dictionary online for the word Quadrant

1. 1
   n.

   The fourth part; the quarter.

2. 2
   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.

3. 3
   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.

4. 4
   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.

5. 5
   n.

   The fourth part; the quarter.

6. 6
   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.

7. 7
   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.

8. 8
   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.