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Definition of poles:

  1. The extremities of the eath's axis; the extreme points of the axis on which the celestial sphere revolves; in geom. and astron., the extremities of an axis of rotaion of a pshere or spehroid; in spherics, the extremities of the straight line perpendicular to the plane of the circle, and passing through ints centre; the two points in a magnet in which the power seems to be cihefly concentrated.


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