Electret definition
A solid dielectric that exhibits persistent dielectric polarization.
noun
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.
noun
(physics) A solid dielectric having a quasi-permanent charge; usually a metallized film; used in electroacoustic and electromechanical transducers and in air filters.
noun
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Other Word Forms
Noun
Singular:
electret
Plural:
electretsOrigin of electret
- electr(icity) (magn)et
From American Heritage Dictionary of the English Language, 5th Edition
- Blend of electricity and magnet.
From Wiktionary