coercivity

[koh-er-siv-i-tee]
noun Electricity.
the magnetic intensity needed to reduce to zero the magnetic flux density of a fully magnetized magnetic specimen or to demagnetize a magnet.
Also called coercive force.


Origin:
1895–1900; coercive + -ity

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World English Dictionary
coercivity (ˌkəʊɜːˈsɪvɪtɪ)
 
n
Compare coercive force the magnetic-field strength necessary to demagnetize a ferromagnetic material that is magnetized to saturation. It is measured in amperes per metre

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
coercivity   (kō'ər-sĭv'ĭ-tē)  Pronunciation Key 
The magnetic flux density needed to reduce the magnetization of a material (especially a ferromagnetic material) from complete saturation to zero. Coercivity is measured in teslas. Compare remanence.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
The coercivity characterizes the pigment's ability to resist demagnetization.
The problem is that this material is metastable and exhibits relatively low coercivity, which means it can be demagnetized easily.
In addition, the larger the coercivity, the higher the radiation resistance of the magnet.
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