insulator

From insulate +‎ -or.

• IPA^(key): /ˈɪn.sjə.leɪ.tə(ɹ)/

• Audio (Southern England):

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insulator (plural insulators)

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.
   • 2007, Kenneth S. Cohen, Expert Witnessing and Scientific Testimony: Surviving in the Courtroom:

     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.

• (substance) insulant
• isolation

• conductor

• insulant
• insulate
• insulation

īnsulātor

1. second/third-person singular future passive imperative of īnsulō