insulator
in-su-la-tor
noun
A material or device that prevents the transfer of heat, electricity, or sound.
"Glass is a good electrical insulator."
Thesaurus
Synonyms: dielectric, nonconductor
Antonyms: conductor
in-su-la-tor
A material or device that prevents the transfer of heat, electricity, or sound.
"Glass is a good electrical insulator."
Synonyms: dielectric, nonconductor
Antonyms: conductor