electret

Oraciones
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Electret   materials   are   quite   common   in   nature .

Los materiales electret son bastante comunes en la naturaleza.

Significado (Inglés)

A solid dielectric having a quasi-permanent charge; usually a metallized film; used in electroacoustic and electromechanical transducers and in air filters.

Etimología (Inglés)

Blend of electricity + magnet.

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