Home > Term: electret
electret
A dielectric (insulating) material that is permanently polarized. Electret is made by heating a material such as barium titanate ceramic or carnauba wax and holding it in a strong electric field as it cools. The electric field surrounding electret is much like the magnetic field surrounding a piece of magnetized steel.
- Part of Speech: noun
- Industry/Domain: Aviation
- Category: Aeronautics
- Company: Aviation Supplies & Academics
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- Josiah91
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(United States)