- 绝缘体 juéyuántǐ insulator; dielectricSubstance that does not readily allow the passage of heat or electricity; also called [[非导体|非導體|fei1 dao3 ti3]] or [[不导体|不導體|bu4 dao3 ti3]]
- 绝缘子 juéyuánzǐ insulatorA solid device used to support electrical lines and prevent the flow of electricity; often referred to as [[瓷瓶|瓷瓶|ci2 ping2]] in common speech.
- 绝缘性 juéyuánxìng insulationthe property of blocking an electric current, meaning something is non-conductive and does not leak electricity
- 绝缘漆 juéyuánqī insulating varnishelectrical insulating lacquer or varnish used to protect and isolate components in motors and electronic circuits
- 绝缘碍子 juéyuán'àizǐ insulatoran electrical insulator made of porcelain or other materials used to support power lines