• Definition for "electret"
    • a good dielectric that displays persistent dielectric polarization.
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  • Sentence for "electret"
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electret definition

  • noun:
    • a good dielectric that displays persistent dielectric polarization.
    • a good dielectric having a quasi-permanent cost; generally a metallized movie; used in electroacoustic and electromechanical transducers and in atmosphere filters
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