insulation

Noun

insulation (countable and uncountable, plural insulations)

1. The act of insulating; detachment from other objects; isolation.
   • Reindeer are well suited to the taiga’s frigid winters. They can maintain a thermogradient between body core and the environment of up to 100 degrees, in part because of insulation provided by their fur, and in part because of counter-current vascular heat exchange systems in their legs and nasal...2013 March, Nancy Langston, “Mining the Boreal North”, in American Scientist, volume 101, number 2, archived from the original on 13 Apr 2016, page 98
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.
6. a medium in which it is possible to maintain an electrical field with little supply of energy from additional sources.