insulator ( synonym found)

Definition of insulator:

(n) : 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
"to isolate electrical wires from the pylons supporting them, one often uses glass insulators."

Definition of insulator:

(n) : 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
"to isolate electrical wires from the pylons supporting them, one often uses glass insulators."

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