insulator

A noun referring to a material, such as glass or porcelain, that has very low electrical or thermal conductivity and is used to prevent the flow of electricity or heat.

• 🇪🇸Sustancia o material, como vidrio o porcelana, que tiene muy baja conductividad eléctrica o térmica y se usa para impedir el flujo de electricidad o calor.

1. Electrical insulator B2 formal technical

   A material that resists the flow of electric current, used to separate conductors and prevent accidental contact.

   • Rubber is a common insulator used for electrical wiring.
   • The power lines are supported by glass insulators.
   • Ceramic insulators prevent electricity from leaking to the ground.

   🇪🇸Aislante eléctrico

   Sinónimos: dielectricnonconductor

   Antónimos: conductor

2. Thermal insulator B2 formal technical

   A material that reduces the transfer of heat, used to maintain temperature differences.

   • Fiberglass is an effective thermal insulator for homes.
   • The vacuum flask uses a double wall as a thermal insulator.
   • Wool is a natural thermal insulator that keeps you warm.

   🇪🇸Aislante térmico

   Sinónimos: insulantinsulationlagging

   Antónimos: conductor

• insulators plural form
• insulators' possessive plural form
• insulator's possessive singular form