Quadrant

Definition:

  • (n.) The fourth part; the quarter.
  • (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.
  • (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.
  • (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.

Compare quadrant with other words:

quadrans vs. quadrant

quadrant vs. quadrat

quadrant vs. quadrantal

mobile vs. quadrant

quadrant vs. quadrilateral

quadrant vs. sector

atlas vs. quadrant

quadrant vs. sextant

octant vs. quadrant

device vs. quadrant

measuring vs. quadrant

disc vs. quadrant

circle vs. quadrant

angle vs. quadrant

quadrant vs. section

fourth vs. quadrant