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permanent magnet

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permanent magnet

–noun
a magnet that retains its magnetism after being removed from an external magnetic field.

Origin:
1820–30


permanent magnetism, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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permanent magnet  
n.  A piece of magnetic material that retains its magnetism after it is removed from a magnetic field.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
permanent magnet   (pûr'mə-nənt)  Pronunciation Key 
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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