Added 9 October 2026
insulator
/ˈɪn.s(j)ə.leɪ.tə(ɹ)/ noun
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about insulator at Wordnik → Where our words come from →
- A substance that does not transmit heat (thermal insulator), sound (acoustic insulator) or electricity (electrical insulator).
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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.
- A person who installs insulation.
Origin
From insulate + -or.
From Wiktionary, via Kaikki.org (CC BY-SA)