nonconductor
non-con-duc-tor
noun
A substance or material that does not allow heat or electricity to pass through.
"Glass is an excellent nonconductor of heat."
Thesaurus
Synonyms: dielectric, insulator
Antonyms: conductor
non-con-duc-tor
A substance or material that does not allow heat or electricity to pass through.
"Glass is an excellent nonconductor of heat."
Synonyms: dielectric, insulator
Antonyms: conductor