insulator

باللغة العربية: عازل

1. A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).
2. A non-conductive structure, coating or device that does not transmit sound, heat or electricity (see image) · To isolate electrical wires from the pylons supporting them, one often uses glass insulators.
3. A person who installs insulation.

الجمع insulators