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See more synonyms for demagnetize on Thesaurus.com
verb (used with object), de·mag·net·ized, de·mag·net·iz·ing.
  1. to remove magnetization from.
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Also especially British, de·mag·net·ise.

Origin of demagnetize

First recorded in 1830–40; de- + magnetize
Related formsde·mag·net·iz·a·ble, adjectivede·mag·net·i·za·tion, nounde·mag·net·iz·er, nounself-de·mag·net·iz·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for demagnetize

Historical Examples

  • Anyone can demagnetize his own watch, however, with very little trouble and no expense by a much simpler method.

    The Boy Mechanic, Book 2


British Dictionary definitions for demagnetize



  1. to lose magnetic properties or remove magnetic properties fromAlso: degauss
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Derived Formsdemagnetization or demagnetisation, noundemagnetizer or demagnetiser, 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

Word Origin and History for demagnetize


1839; see de- + magnetize. Related: Demagnetized; demagnetizing.

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Online Etymology Dictionary, © 2010 Douglas Harper