Definition of quadrant

Definition of quadrant
  1. quadrant Noun One of the four sections made by dividing an area with two perpendicular lines.
  2. quadrant Noun The four regions of the Cartesian plane bounded by the x-axis and y-axis.
  3. quadrant Noun One fourth of a circle or disc; a sector with an angle of 90°.
  4. quadrant Noun A measuring device with a graduated arc of 90° used in locating an altitude.
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