1. Any material which does not conduct electricity. It is used to prevent the flow or leakage of an electrical conductor .
2. Any material which does not readily conduct heat. Used to keep heat or cold out of something.
1. Any material which does not conduct electricity. It is used to prevent the flow or leakage of an electrical conductor .
2. Any material which does not readily conduct heat. Used to keep heat or cold out of something.
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012