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permanent magnet

a magnet that retains its magnetism after being removed from an external magnetic field.
Origin of permanent magnet
Related forms
permanent magnetism, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for permanent magnet

permanent magnet

a magnet, often of steel, that retains its magnetization after the magnetic field producing it has been removed
Derived Forms
permanent magnetism, noun
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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permanent magnet in Science
permanent magnet
A piece of ferromagnetic material that retains its magnetism after it has been magnetized.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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