Insulate

v. t.
  1. To make an island of.
  2. To place in a detached situation, or in a state having no communication with surrounding objects; to isolate; to separate.
  3. (Elec. & Thermotics) To prevent the transfer of electricity or heat to or from (bodies) by the interposition of nonconductors.
    4. Insulating stool (Elec.),
    a stool with legs of glass or some other nonconductor of electricity, used for insulating a person or any object placed upon it.