de·mag·ne·tize
(ˌ)dē-ˈmag-nə-ˌtīz 
demagnetized; demagnetizing; demagnetizes
: to deprive of magnetic properties
: the process of demagnetizing or state of being demagnetized
Examples of demagnetize in a Sentence
Recent Examples on the Web
New Atlas, 8 June 2026
Meanwhile, magnetic media pucker and demagnetize.
—Wyatt Williams, Harpers Magazine, 26 May 2026
For dysprosium and terbium, the heavy rare earths that prevent magnets from demagnetizing inside electric motors and missile guidance fins, the numbers are worse: producers outside China are projected to meet less than 20% of global demand for those two elements by 2035.
—Nick Lichtenberg, Fortune, 26 May 2026
It was then safely demagnetized, proving the reliability of the new approach.
—Sujita Sinha, Interesting Engineering, 29 Sep. 2025
The magnetic strip on their room key stops working after their cellphone gets too close and demagnetizes it.
—Ron Hurtibise, Sun Sentinel, 14 May 2025
But there were complications such as the fact that these laser pulses heated the material, which tended to demagnetize it.
—IEEE Spectrum, 5 Feb. 2025
But what triggered the reduction that demagnetized the magnetite in the first place?
—Elizabeth Rayne, Ars Technica, 19 May 2024
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Verb
At the heart of their robot is a reprogrammable magnetic module that can be magnetized, demagnetized, and remagnetized in different directions.
—New Atlas, 8 June 2026
Meanwhile, magnetic media pucker and demagnetize.
—Wyatt Williams, Harpers Magazine, 26 May 2026
For dysprosium and terbium, the heavy rare earths that prevent magnets from demagnetizing inside electric motors and missile guidance fins, the numbers are worse: producers outside China are projected to meet less than 20% of global demand for those two elements by 2035.
—Nick Lichtenberg, Fortune, 26 May 2026
It was then safely demagnetized, proving the reliability of the new approach.
—Sujita Sinha, Interesting Engineering, 29 Sep. 2025
The magnetic strip on their room key stops working after their cellphone gets too close and demagnetizes it.
—Ron Hurtibise, Sun Sentinel, 14 May 2025
But there were complications such as the fact that these laser pulses heated the material, which tended to demagnetize it.
—IEEE Spectrum, 5 Feb. 2025
But what triggered the reduction that demagnetized the magnetite in the first place?
—Elizabeth Rayne, Ars Technica, 19 May 2024
Cite this Entry
“Demagnetize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/demagnetize. Accessed 19 Jun. 2026.
Copy CitationKids Definition
Love words? Need even more definitions?
Merriam-Webster unabridged
