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Synonyms
in·su·late (ĭńsə-lāt́, ĭnśyə-)

[Latin īnsula, island, + –ate1.]

transitive verb: -lat·ed, -lat·ing, -lates. 

  1. To cause to be in a detached or isolated position. See synonyms at isolate
  2. To prevent the passage of heat, electricity, or sound into or out of, especially by surrounding with a nonconducting material.