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Pronunciation varies by accent · noun
(physics) A solid dielectric having a quasi-permanent charge; usually a metallized film; used in electroacoustic and electromechanical transducers and in air filters..
Use electret when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Electret means (physics) A solid dielectric having a quasi-permanent charge; usually a metallized film; used in electroacoustic and electromechanical transducers and in air filters..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use electret where its definition matches the intended context.
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