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quad·rant
 quadrant
- pronunciation:
- kwa
dr
 nt
| part of speech: |
noun |
| definition 1: |
one quarter of the arc of a circle.
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| definition 2: |
the area of a circle that is enclosed by such an arc and by the radii at either end of it.
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| definition 3: |
in the standard Cartesian coordinate system, one of the four regions into which the vertical and horizontal axes divide the plane.
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| definition 4: |
any of the four parts that result when an area is divided by two lines, real or imaginary, that intersect each other at right angles.
There is a police precinct in each of the city's four quadrants. |
| definition 5: |
an apparatus formerly used to measure the altitude of celestial objects, esp. for navigation.
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| derivation: |
quadrantal (adj.) |
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