noun
- Plural of permittivity; measures of how much a material reduces the electric field within it, expressed as a ratio relative to vacuum.
Usage: physics; technical; plural form
Examples
- The permittivities of different dielectric materials vary widely depending on their molecular structure.
- Engineers must account for the permittivities of insulating materials when designing capacitors.
- Water has one of the highest permittivities among common substances.
- The relative permittivities of ceramics make them useful in electronic applications.
- Measuring the permittivities of new composite materials is essential for developing advanced electronics.