Pole (disambiguation)
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The noun pole and adjective polar can mean:
- Pole (object), a long and straight stick, usually vertical
In science and maths:
- Pole (complex analysis), a certain simple type of mathematical singularity
- Magnetic pole, an end of a magnet
- Polar molecule, in chemistry, a molecule concentrations of charge
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 (length), a unit of length, equivalent 16.5 feet or 5.029 metres
- Pole position, in autoracing, the first pre-race qualifying position.
- Reginald Cardinal Pole, a 16th-century Archbishop of Canterbury and Roman Catholic cardinal
- Empresas Polar, a Venezuelan beer company.
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.