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Electret

Noun CEFR B2

Definitions

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

Equivalents

Françaisélectret
Italianoelettrete
Русскийэлектре́т
2 more languages

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

electric electric arc electric arc furnace electric bass electric bassist electric bath

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