elec·​tret i-ˈlek-trət How to pronounce electret (audio)
: a dielectric body in which a permanent state of electric polarization has been set up

Examples of electret in a Sentence

Recent Examples on the Web However, this required a complete redesign of the electret. IEEE Spectrum, 4 Feb. 2019 The answer to this difficulty was to separate the electret from the MEMS structure by fabricating two separate chips. IEEE Spectrum, 4 Feb. 2019 So the scientists fabricated an additional electrode and a dielectric layer to sandwich the electret between two electrodes. 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

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'electret.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


electricity + magnet

First Known Use

1885, in the meaning defined above

Time Traveler
The first known use of electret was in 1885

Dictionary Entries Near electret

Cite this Entry

“Electret.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electret. Accessed 28 Sep. 2023.

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