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A material that insulates, especially a nonconductor of sound, heat, or electricity. A device that insulates another material or space from something. For instance glass is a good insulator from electricity. The electrons will not flow through glass. Cork is a good insulator from sound. Sound waves have a hard time passing through cork. Wood is a good insulator from heat.

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βˆ™ 17y ago
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βˆ™ 6mo ago

Insulators have high electrical resistance, which means they resist the flow of electricity. This is due to the arrangement of their atoms and the lack of free electrons to carry current. Insulators effectively block the flow of electricity, making them suitable for use in preventing electrical current from passing through.

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Q: What makes an insulator insulate?
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