Meaning of the word insulator in English

What does insulator mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

insulator

US /ˈɪn.sə.leɪ.t̬ɚ/
UK /ˈɪn.sjə.leɪ.tər/
"insulator" picture

Noun

a substance or device that does not readily conduct electricity, heat, or sound

Example:
Glass is a good electrical insulator.
The walls are filled with foam as a thermal insulator.