1. Protected from heat, cold, noise etc, by being surrounded with an insulating material.
  2. Placed or set apart.
    an insulated house or column
    • the special and insulated situation of the Jews
  3. (of an electrically conducting material) Isolated or separated from other conducting materials, or sources of electricity.
    Early insulated wires were covered in silk rather than plastic.
  4. (astronomy, dated) 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.
  1. Simple past tense and past participle of insulate

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