Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: insulator  'in-su,ley-tu(r) [N. Amer], 'in-syû,ley-tu(r) [Brit]
  1. A material such as glass or porcelain with negligible electrical or thermal conductivity
    - dielectric, nonconductor

Derived forms: insulators

Type of: material, stuff

Antonym: conductor

Encyclopedia: Insulator