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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 another, instead of escaping in the surrounding ...
— Electricity for the farm - Light, heat and power by inexpensive methods from the water - wheel or farm engine • Frederick Irving Anderson
... of a magnetic pole diminishes so rapidly with the increase of distance that it may suffice to remove the armature to a distance relatively small compared with its own dimensions, or with those of the magnet, in order to reduce the action to a negligible value. But if the magnet, N S, ...
— Scientific American Supplement, No. 633, February 18, 1888 • Various
... pointed to the North Star, but half a point or more to the northwest of it. They had visions of the fleet helplessly drifting without a guide upon a vast unknown sea. It was not then known that the action of the magnetic pole upon the needle varies in different parts of the earth, but the quick mind of the Admiral found an explanation which quieted their fears. He told them that the real north pole was a fixed point indeed, but not necessarily the North Star. While ...
— Days of the Discoverers • L. Lamprey
... Lavalle that the upper strata of the Aurora Borealis are practically one big electric "leak," and that the paralysis of your engines was due to complete magnetization of all metallic parts. Low-flying planes often "glue up" when near the Magnetic Pole, and there is no reason in science why the same disability should not be experienced at higher levels when the Auroras ...
— Actions and Reactions • Rudyard Kipling
... 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 a baronet ...
— Voyages in Search of the North-West Passage • Richard Hakluyt


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