Pole
The noun pole and adjective polar may refer to multiple things.
- A Pole is a member of a Slavic ethnic group from Poland.
- A pole is a long and straight stick, usually vertical or intended to be used vertically. See barber, pole vault, pole (object).
- A pole is also a unit of length, also called a rod or a perch, equal to 5.5 yards or 16.5 feet (5.029 meters in SI units).
- The geographical poles of the Earth, or other planet, are the points where its axis of rotation passes through its surface. See also: North Pole, South Pole, polar region.
- The pole of inaccessibility.
- The celestial poles are the ends of the celestial sphere.
- A magnetic pole is one end of a magnet.
- In chemistry, a polar molecule is one that has concentrations of electric charge, see polar molecule.
- In mathematics:
- In complex analysis, a pole of a function is a certain simple type of singularity. See pole (complex analysis).
- Polar coordinates are a way of describing the location of any point in space.
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