coercivity
noun
co·er·civ·i·ty
ˌkō-ˌər-ˈsi-və-tē 
: the property of a material determined by the value of the coercive force when the material has been magnetized to saturation
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That, in turn, can be exploited to achieve high coercivity, the essential property that lets a permanent magnet stay magnetized.
—
Glenn Zorpette, IEEE Spectrum, 29 Apr. 2026
These HDDs use the company’s Mozaic 3+ heat assisted magnetic recording, HAMR, technology, where lasers are used to reduce the magnetic fields from the write head required to write a high-densities on stable high coercivity magnetic recording media.
—Thomas Coughlin, Forbes, 21 Jan. 2025
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Glenn Zorpette, IEEE Spectrum, 29 Apr. 2026
These HDDs use the company’s Mozaic 3+ heat assisted magnetic recording, HAMR, technology, where lasers are used to reduce the magnetic fields from the write head required to write a high-densities on stable high coercivity magnetic recording media.
—Thomas Coughlin, Forbes, 21 Jan. 2025
Cite this Entry
“Coercivity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coercivity. Accessed 19 May. 2026.
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