noun
- materials that do not allow electricity, heat, or sound to pass through them easily
Usage: physics; plural form of nonconductor
Examples
- Rubber and plastic are common nonconductors used in electrical wiring.
- The laboratory tested various nonconductors to find the best insulation material.
- Wood and glass are effective nonconductors of electricity.
- Engineers selected nonconductors to prevent heat transfer in the building design.
- Most ceramics are excellent nonconductors at room temperature.
- The safety manual emphasized using nonconductors when working near electrical equipment.