magnetic field - Definitions from Dictionary.com

6 results for: magnetic field

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

magnetic field

–noun

1.	a region of space near a magnet, electric current, or moving charged particle in which a magnetic force acts on any other magnet, electric current, or moving charged particle.

2.	magnetic intensity.

[Origin: 1835–45

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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Encyclopædia Britannica, Inc.
magnetic field

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American Heritage Dictionary - Cite This Source - Share This

magnetic field
n. A condition found in the region around a magnet or an electric current, characterized by the existence of a detectable magnetic force at every point in the region and by the existence of magnetic poles.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

WordNet - Cite This Source - Share This

magnetic field
noun
the lines of force surrounding a permanent magnet or a moving charged particle

Kernerman English Multilingual Dictionary - Cite This Source - Share This
magnetic field

the area in which the pull of a magnet, or thing acting like a magnet, is felt
Example: the earth's magnetic field

Arabic:	الحَقْل المِغْناطيسي
Chinese (Simplified):	磁场
Chinese (Traditional):	磁場
Czech:	magnetické pole
Danish:	magnetfelt
Dutch:	magnetisch veld
Estonian:	magnetväli
Finnish:	magneettikenttä
French:	champ magnétique
German:	das Magnetfeld
Greek:	μαγνητικό πεδίο
Hungarian:	mágneses mező
Icelandic:	segulsvið
Indonesian:	medan magnet
Italian:	campo magnetico*

Japanese:	磁場
Latvian:	magnētiskais lauks
Lithuanian:	magnetinis laukas
Norwegian:	magnetisk felt
Polish:	pole magnetyczne
Portuguese (Brazil):	campo magnético
Portuguese (Portugal):	campo magnético
Romanian:	câmp magnetic
Russian:	магнитное поле
Slovak:	magnetické pole
Slovenian:	magnetno polje
Spanish:	campo magnético
Swedish:	magnetfält
Turkish:	manyetik alan

The American Heritage Science Dictionary - Cite This Source - Share This

magnetic field

A field of force associated with changing electric fields, as when electric charges are in motion. Magnetic fields exert deflective forces on moving electric charges. Most magnets have magnetic fields as a result of the spinning motion of the electrons orbiting the atoms of which they are composed; electromagnets create such fields from electric current moving through coils. Large objects, such as the earth, other planets, and stars, also produce magnetic fields. See Note at magnetism.
See magnetic field strength.

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
magnetic field

A magnetic field is said to exist in a region if a force can be exerted on a magnet. If a compass needle is deflected when it is put at a particular location, we say a magnetic field exists at that point, and the strength of the field is measured by the strength of the force of the compass needle. The Earth, the sun, and the Milky Way galaxy all have magnetic fields. All known magnetic fields are caused by the movement of electrical charges. Electrons in orbit in atoms give rise to magnetic fields, so that every atom is, like the Earth, surrounded by a magnetic field. (See magnet and magnetism.)