electret
noun
elec·tret
i-ˈlek-trət 
-ˌtret
: a dielectric body in which a permanent state of electric polarization has been set up
Examples of electret in a Sentence
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So the scientists fabricated an additional electrode and a dielectric layer to sandwich the electret between two electrodes.
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IEEE Spectrum, 4 Feb. 2019
The National Inventors Hall of Fame inductee, who lives in Fells Point, got his start at Bell Laboratories in Murray Hill, N.J., where he and his then-business partner, Gerhard M. Sessler, created and patented the foil-electret microphone in 1962.
—Brittany Britto, ajc, 28 May 2018
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IEEE Spectrum, 4 Feb. 2019
The National Inventors Hall of Fame inductee, who lives in Fells Point, got his start at Bell Laboratories in Murray Hill, N.J., where he and his then-business partner, Gerhard M. Sessler, created and patented the foil-electret microphone in 1962.
—Brittany Britto, ajc, 28 May 2018
Cite this Entry
“Electret.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electret. Accessed 3 Nov. 2025.
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