insulation

noun

Etymology: Etymology tree English insulate Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English -ion English insulation From insulate + -ion.

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 passages.”

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.