Electret definition

ĭ-lĕktrĭt
A solid dielectric that exhibits persistent dielectric polarization.
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Any of certain solid, dielectric materials that have a permanent electric charge after being melted and resolidified in a strong electric field: used in telephones, microphones, etc.
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(physics) A solid dielectric having a quasi-permanent charge; usually a metallized film; used in electroacoustic and electromechanical transducers and in air filters.
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Other Word Forms

Noun

Singular:
electret
Plural:
electrets

Origin of electret

  • electr(icity) (magn)et

    From American Heritage Dictionary of the English Language, 5th Edition

  • Blend of electricity and magnet.

    From Wiktionary

Electret Sentence Examples

  • The microphone used is a 3 terminal electret condenser microphone insert.

  • It has an integral high sensitivity electret microphone which can be mounted on the board or extended up to 50 feet using suitable cable.

  • It is fully tuneable from 100-120MHz and has high sensitivity on-board electret microphone able to clearly monitor sounds up to 25 feet away.

  • An additional circular plate included an opening for the holding electret microphone, flush mounted with the baffle plane.

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Words near electret in the Dictionary