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[fer-oh-mag-net-ik] /ˌfɛr oʊ mægˈnɛt ɪk/
adjective, Physics.
noting or pertaining to a substance, as iron, that below a certain temperature, the Curie point, can possess magnetization in the absence of an external magnetic field; noting or pertaining to a substance in which the magnetic moments of the atoms are aligned.
Origin of ferromagnetic
First recorded in 1840-50; ferro- + magnetic
Related forms
[fer-oh-mag-ni-tiz-uh m] /ˌfɛr oʊˈmæg nɪˌtɪz əm/ (Show IPA),
noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Word Origin and History for ferromagnetic

1840, from ferro- "iron" + magnetic.

Online Etymology Dictionary, © 2010 Douglas Harper
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ferromagnetic in Science
The property of being strongly attracted to either pole of a magnet. Ferromagnetic materials, such as iron, contain unpaired electrons, each with a small magnetic field of its own, that align readily with each other in response to an external magnetic field. This alignment tends to persists even after the magnetic field is removed, a phenomenon called hysteresis. Ferromagnetism is important in the design of electromagnets, transformers, and many other electrical and mechanical devices, and in analyzing the history of the earth's magnetic reversals. Compare diamagnetism, paramagnetism.

ferromagnetic adjective (fěr'ō-māg-nět'ĭk)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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