Insulator

Quick meaning: Insulator is a noun meaning A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).

Meaning

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

More Meanings

1. A non-conductive structure, coating or device that does not transmit sound, heat or electricity (see image)
2. A person who installs insulation.

Example Sentences

To isolate electrical wires from the pylons supporting them, one often uses glass insulators.

Alan Vasen worked as an insulator at this site from September 1968 through mid-April 1969. Mr. Vasen installed thousands of lineal feet of asbestos pipe covering and thousands of square feet of asbestos block insulation throughout the operating units of the Benicia refinery.

Word Forms

• insulators

Synonyms for insulator

Depending on context, synonyms include insulant, isolation, dielectric, nonconductor.

Antonyms for insulator

Common opposites include conductor.

Related Words

Related dictionary entries include dielectric, nonconductor, insulation, insulating, superconductor, semiconductor.

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