insulator
Pronunciation: /ˈɪn.s(j)ə.leɪ.tə(ɹ)/
The English word “insulator” has 3 meanings listed here.
noun
- A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).
- A non-conductive structure, coating or device that does not transmit sound, heat or electricity (see image)
- A person who installs insulation.
Etymology
From insulate + -or.
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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.