| English noun: insulator | |||
| 1. | insulator (substance) a material such as glass or porcelain with negligible electrical or thermal conductivity | ||
| Synonyms | dielectric, nonconductor | ||
| Broader (hypernym) | material, stuff | ||
| Narrower (hyponym) | bushing, glass wool, mineral wool, rock wool | ||
| Antonyms | conductor | ||