noun
- plural of electret; dielectric materials that have a quasi-permanent electric charge or polarization
Usage: technical; physics
Examples
- Electrets are commonly used in condenser microphones.
- The laboratory studied the properties of various electrets.
- Modern hearing aids often contain electrets as key components.
- Scientists developed new electrets with improved charge retention.
- The electrets maintained their polarization for several years.
- Researchers tested different polymer electrets for acoustic applications.