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coercivity

[koh-er-siv-i-tee] /ˌkoʊ ərˈsɪv ɪ ti/
noun, Electricity
1.
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
1895-1900; coercive + -ity
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for coercivity
  • 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.
British Dictionary definitions for coercivity

coercivity

/ˌkəʊɜːˈsɪvɪtɪ/
noun
1.
the magnetic-field strength necessary to demagnetize a ferromagnetic material that is magnetized to saturation. It is measured in amperes per metre Compare coercive force
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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coercivity in Science
coercivity
  (kō'ər-sĭv'ĭ-tē)   
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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