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A piece of magnetic material that retains its magnetism after it is removed from a magnetic field.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(General Physics) a magnet, often of steel, that retains its magnetization after the magnetic field producing it has been removed
permanent magnetism n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a magnet that retains its magnetism after being removed from an external magnetic field.
per′manent mag′netism, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||permanent magnet - a magnet that retains its magnetism after being removed from a magnetic field|
magnet - (physics) a device that attracts iron and produces a magnetic field
stud finder - a small permanent magnet in a metal container; when the magnet clicks against the container it indicates that the magnet is directly over an iron nail that holds the wallboard to a stud
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