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demagnetize

American  
[dee-mag-ni-tahyz] / diˈmæg nɪˌtaɪz /
especially British, demagnetise

verb (used with object)

demagnetized, demagnetizing
  1. to remove magnetization from.


demagnetize British  
/ diːˈmæɡnəˌtaɪz /

verb

  1. Also: degauss.  to lose magnetic properties or remove magnetic properties from

"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

Other Word Forms

Derived Forms

Etymology

Origin of demagnetize

First recorded in 1830–40; de- + magnetize

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Because electric motors often operate at high temperatures, thermal effects can also partially demagnetize these materials, making the energy loss problem even more complicated.

From Science Daily • May 18, 2026

Pumping too much current into the device would cause it to overheat and demagnetize.

From Science Daily • Feb. 22, 2024

The geophysicists were able to determine what that paleointensity was by heating single crystals to demagnetize them, and then reheating the samples in the presence of a magnetic field to impart magnetization.

From Scientific American • Feb. 15, 2019

"We had to demagnetize the building," she says, a painstaking process that required passing an electromagnet over every square meter of the walls.

From Science Magazine • Jun. 29, 2017

Lodge devised a similar arrangement called a coherer, and E. Rutherford invented a magnetic detector depending on the power of electric oscillations to demagnetize iron or steel.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" by Various

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