- A substance that does not transmit sound, heat (thermal insulator), or electricity (electrical insulator).
- A non-conductive structure or device that does not transmit sound, heat, or electricity
Translations: Etymology: (-or, insulate)
- To isolate electrical wires from the pylons supporting them, one often uses glass insulators.
Supplemental Details:Sponsor an extended definition for insulator for as little as $10 per month. Click here to contact us.