insulator
/ˈɪnsəleɪtər/
noun
- A material or object that does not allow heat, electricity, or sound to pass through it easily.
- Rubber is a common insulator used to cover electrical wires.
- The thick foam in the walls acts as an insulator, keeping the house warm in winter.
- Glass is a good insulator for sound, which is why windows help block out noise.
- A device made of a material that prevents electricity from leaking, often used to support power lines.
- Old glass insulators are sometimes collected as antiques.
- The worker replaced a cracked insulator on the telephone pole.
- Birds can safely sit on power lines because the insulators prevent the current from reaching them.
- Something that separates or protects a person or thing from outside influences.
- Living in a small town can be an insulator from the stress of city life.
- The country's geography served as a natural insulator from invading armies.
- Her strong friendships acted as an insulator against loneliness.
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