Insulation

noun

1. The act of insulating; detachment from other objects; isolation.
2. The state of being insulated; detachment from other objects; isolation.
3. Any of a variety of materials designed to reduce the flow of heat, either from or into a building.
4. The act of separating a body from others by nonconductors, so as to prevent the transfer of electricity, heat, or sound
5. The state of a body so separated.