1. material used to prevent heat, sound, or electricity from passing through
2. the act or process of insulating something
3. protection from unpleasant influences or experiences
Usage: figurative

Examples

• The house needs better insulation to reduce heating costs.
• Foam insulation was installed in the walls during construction.
• The wire’s insulation prevents electrical shocks.
• Sound insulation keeps noise from traveling between rooms.
• The insulation of the pipes prevents them from freezing.
• His wealth provided insulation from economic hardship.
• The thick insulation in the attic keeps the house warm in winter.