insulated

Short definition from Wiktionary

Adjective

1. 1
   Protected from heat, cold, noise etc, by being surrounded with an insulating material.
2. 2
   Placed or set apart.
3. 3
   Isolated or separated from other conducting materials, or sources of electricity.
4. 4
   Situated at so great a distance as to be beyond the effect of gravitation; said of stars supposed to be so far apart that the effect of their mutual attraction is undetectable.

Verb

1. 1
   simple past and past participle of insulate