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Insulator - Meaning, Definition & English Examples

An insulator is a material that resists the flow of electricity or heat. Common examples include rubber, glass, and plastic, which are used to protect against electrical currents or retain warmth.

insulator

/ˈɪnsəˌleɪtər/ /ˈɪnsjʊˌleɪtə/

Definition:

A material or device that prevents the passage of heat, electricity, or sound.

Synonyms:

nonconductor, dielectric, isolator

Part of Speech:

noun

Antonyms:

conductor, transmitter

Common Collocations:

electrical insulator, thermal insulator, sound insulator

Derivatives:

insulate, insulation, insulating

Usage Tips:

Use "insulator" to describe materials like rubber or glass that block energy flow.

Common Phrases:

thermal insulator, electrical insulator, sound insulator

Etymology:

Derived from Latin "insula" (island), suggesting separation or isolation.

Examples:

  • 1. Rubber is a good insulator for electricity.
  • 2. The walls have thick foam to act as a sound insulator.
  • 3. Glass can serve as a thermal insulator in windows.
  • 4. Never use a metal spoon as an insulator when handling live wires.

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