1. preventing the passage of heat, electricity, or sound

1. present participle of insulate: to cover or surround with material that prevents the passage of heat, electricity, or sound

Examples

• The insulating foam keeps the house warm in winter.
• Workers are insulating the attic with fiberglass.
• Rubber gloves provide insulating protection from electrical shock.
• The insulating properties of wool make it ideal for winter clothing.
• They are insulating the pipes to prevent freezing.
• Double-paned windows have insulating air space between the glass.
• The technician is insulating the electrical wires for safety.