INSULATOR


Meaning of INSULATOR in English

in ‧ su ‧ la ‧ tor /ˈɪnsjəleɪtə, ˈɪnsjʊleɪtə $ ˈɪnsəleɪtər/ BrE AmE noun [countable]

a material or object which does not allow electricity, heat, or sound to pass through it OPP conductor :

Wood is an excellent insulator.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.