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definitions

permanent magnet

noun

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

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Nearby words

  1. permanent court of international justice,
  2. permanent dentition,
  3. permanent echo,
  4. permanent hardness,
  5. permanent health insurance,
  6. permanent mold,
  7. permanent press,
  8. permanent resident,
  9. permanent set,
  10. permanent tooth

Origin of permanent magnet

First recorded in 1820–30
Related formspermanent magnetism, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for permanent magnet

permanent magnet

noun

a magnet, often of steel, that retains its magnetization after the magnetic field producing it has been removed
Derived Formspermanent 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
Science definitions for permanent magnet

permanent magnet

[ pûr′mə-nənt ]

A piece of ferromagnetic material that retains its magnetism after it has been magnetized.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.