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Magnetic pole   /mægnˈɛtɪk poʊl/   Listen
noun
magnetic pole  n.  
1.
Either of two points where the lines of force of the earth's magnetic field are vertical.
2.
One of the two ends of a magnet where the magnetic field is strongest.


Pole  n.  
1.
Either extremity of an axis of a sphere; especially, one of the extremities of the earth's axis; as, the north pole.
2.
(Spherics) A point upon the surface of a sphere equally distant from every part of the circumference of a great circle; or the point in which a diameter of the sphere perpendicular to the plane of such circle meets the surface. Such a point is called the pole of that circle; as, the pole of the horizon; the pole of the ecliptic; the pole of a given meridian.
3.
(Physics) One of the opposite or contrasted parts or directions in which a polar force is manifested; a point of maximum intensity of a force which has two such points, or which has polarity; as, the poles of a magnet; the north pole of a needle.
4.
The firmament; the sky. (Poetic) "Shoots against the dusky pole."
5.
(Geom.) See Polarity, and Polar, n.
Magnetic pole. See under Magnetic.
Poles of the earth, or Terrestrial poles (Geog.), the two opposite points on the earth's surface through which its axis passes.
Poles of the heavens, or Celestial poles, the two opposite points in the celestial sphere which coincide with the earth's axis produced, and about which the heavens appear to revolve.





Collaborative International Dictionary of English 0.48


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"Magnetic pole" Quotes from Famous Books



... theory of the dynamo. Instead of passing only one wire through the field of force of a magnet, we have hundreds bound lengthwise on a revolving drum called an armature. Instead of one magnetic pole in a dynamo we have two, or four, or twenty according to the work the machine is designed for—always in pairs, a North pole next to a South pole, so that the lines of force may flow out of one and into ...
— Electricity for the farm - Light, heat and power by inexpensive methods from the water - wheel or farm engine • Frederick Irving Anderson
... where Sir John Ross wintered. His nephew made from this point scientific explorations; discovered a strait, called after him the Strait of James Ross, and on the northern shore of this strait, on the main land of Boothia, planted the British flag on the Northern Magnetic Pole. The ice broke up, so did the Victory; after a hairbreadth escape, the party found a searching vessel and arrived home after an absence of four years and five months, Sir John Ross having lost his ship, and won his reputation, The friend in need was made ...
— Voyages in Search of the North-West Passage • Richard Hakluyt
... are no longer at right angles to the meridians. But, from the principle of reaction above noticed, the magnetic meridians will place themselves at right angles to the current, or, in other words, the magnetic pole will change its position on the surface of the earth with respect to that particular place. But, in other parts of the world, the meridians are in opposite phases at the same instant of absolute time; therefore, the magnetic poles are not points, but wide areas enclosing ...
— Outlines of a Mechanical Theory of Storms - Containing the True Law of Lunar Influence • T. Bassnett


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