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.
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.