Insulator
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An insulator is a substance that does not conduct electricity well,[1] such as glass, porcelain, or plastic.
A thermal insulator is a substance that conducts heat poorly, such as hotpads for kitchen use, or home insulation to avoid heat loss during winter.
References
- ↑ Wile, Dr. Jay L. Exploring Creation With Physical Science. Apologia Educational Ministries, Inc. 1999, 2000