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electret

[ ih-lek-trit ]

noun

, Electricity.
  1. a dielectric that possesses a permanent or semipermanent electric polarity, analogous to a permanent magnet.


electret

/ ɪˈlɛktrət /

noun

  1. a permanently polarized dielectric material; its electric field is similar to the magnetic field of a permanent magnet
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of electret1

First recorded in 1880–85; electr(icity) + (magn)et
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Word History and Origins

Origin of electret1

C20: from electr ( icity + magn ) et
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Example Sentences

FEP is an electret, a type of material that's electrically charged and produces an external electrostatic field, similar to the way a magnet produces a magnetic field.

Logitech is promising that the Icepop will deliver enhanced “broadcast-quality” performance with its 10mm electret condenser mic.

The electret microphone, which is used by millions of people daily, “raises a challenge” for the inventor.

When he and Sessler created the electret microphone, it was assumed that the partners would quit their jobs and create a business mass-producing the microphones for companies around the world, but West wasn’t interested.

For example, James E. West, 84, obtained 11 patents when he was over 60 and is an inventor of the electret microphone.

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