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

  1. Wile, Dr. Jay L. Exploring Creation With Physical Science. Apologia Educational Ministries, Inc. 1999, 2000
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