demagnetize

verb

de·​mag·​ne·​tize (ˌ)dē-ˈmag-nə-ˌtīz How to pronounce demagnetize (audio)
demagnetized; demagnetizing; demagnetizes

transitive verb

: to deprive of magnetic properties
demagnetizer noun

Example Sentences

Recent Examples on the Web Conclusion: the live cockroaches demagnetize (i.e., the magnetic field decays) much faster than dead ones. Jennifer Ouellette, Ars Technica, 12 Sep. 2019 The basic theory was that the flowing hot water demagnetized the minerals. Chris Lee, Ars Technica, 11 Oct. 2017 The earth’s solid iron core is hot enough to demagnetize iron and its alloys. Katie Nodjimbadem, Smithsonian, 29 June 2017 The earth’s solid iron core is hot enough to demagnetize iron and its alloys. Katie Nodjimbadem, Smithsonian, 25 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'demagnetize.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1839, in the meaning defined above

Time Traveler
The first known use of demagnetize was in 1839

Dictionary Entries Near demagnetize

Cite this Entry

“Demagnetize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/demagnetize. Accessed 8 Dec. 2022.

Kids Definition

demagnetize

verb
de·​mag·​ne·​tize (ˈ)dē-ˈmag-nə-ˌtīz How to pronounce demagnetize (audio)
: to cause to lose magnetic properties
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ