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

Word History and Origins

Origin of electret¹

First recorded in 1880–85; electr(icity) + (magn)et

Word History and Origins

Origin of electret¹

C20: from electr ( icity + magn ) et

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.

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

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

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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.

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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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