verb (used with object), de·mag·net·ized, de·mag·net·iz·ing.

to remove magnetization from.

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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for demagnetize

Historical Examples of demagnetize

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

British Dictionary definitions for demagnetize




to lose magnetic properties or remove magnetic properties fromAlso: degauss
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.

Online Etymology Dictionary, © 2010 Douglas Harper