- noun one of the two poles of the earth, near to but not identical with the geographical poles, which are the centres of the Earth’s magnetic field and to which a compass points
- Either of the two locations on the surface of the planet earth where the magnetic dip is 90°. At such a place, the magnetic meridians converge. In the northern hemisphere such spot is called the north magnetic pole, while that of the southern hemisphere is the south magnetic pole. The earth's magnetic poles do not coincide with its geographic poles, and the latter's position vary over time. Also called dip pole, or pole (3).
- In a magnet or magnetic body, either of the two regions where magnetic intensity is at a maximum. The magnetic lines of force converge in such areas, which are labeled north pole and south pole. If each of such regions is considered to occupy a single point in space, it could be considered to be analogous to an electric point charge. Also called pole (4).
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