Pole (disambiguation)

From Academic Kids

The noun pole and adjective polar can mean:

In science and maths:

In geography:

  • Geographical pole, the points where a planet's axis of rotation passes through its surface
  • Polar climate, climate found in the upper latitudes.
  • Poles, a Slavic ethnic group from Poland.

In other contexts:

Pole can also refer to:

  • In the presence of a circle, a pole is a point that is associated with a line, a polar of the point with respect to the circle. The polar is perpendicular to the line joining the pole with the center of the circle, such that the foot of the perpendicular is the image of the pole under the inversion in the circle.
  • In crystallography, a pole is a line perpendicular to a crystal face that is used to plot that face on a stereographic net. This allows the 3D aspect of the face to be plotted in 2 dimensions.
  • In structural geology, a pole is a line perpendicular to a structural surface (e.g. bedding plane, fault plane, foliation surface), that is used to plot that surface on a stereographic net. This allows the 3D aspect of the surface to be plotted in 2 dimensions.
cs:Pól

nl:Pool

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