Electret

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 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.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.