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magnetic field

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.03 sec.

magnetic field

Region around a magnet, electric current, or changing electric field in which magnetic forces are observable. The field around a permanent magnet or wire carrying a steady direct current is stationary, while that around an alternating current or changing direct current is continuously changing. Magnetic fields are commonly represented by continuous lines of force, or magnetic flux, that emerge from north-seeking magnetic poles and enter south-seeking poles. The density of the lines indicates the magnitude of the field, the lines being crowded together where the magnetic field is strong. The SI unit for magnetic flux is the weber.

An invisible energy emitted by a magnet. Same as flux.
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A sustained yell of vengeful fury came floating up to the window at which the bishop stood, and enveloped him in a magnetic field.
The Man in the Iron Mask by Dumas, Alexandre View in context
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