Insulator

noun

/ˈɪn.sjə.leɪ.tə(ɹ)/

Word Frequency: 0.9

Definitions

1.nounA substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).

2.nounA 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.nounA person who installs insulation.

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