Electret
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A solid dielectric having a quasi-permanent charge; usually a metallized film; used in electroacoustic and electromechanical transducers and in air filters.
Etymology
Blend of electricity + magnet.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.