An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

To cover or to separate from conducting bodies by means of nonconductors so as to prevent or reduce the passage, transfer, or leakage of heat, electricity, or sound. → insulation, → insulator.

From L. insulatus "made into an island," from L. insula "island."

From âyeq, → insulator, + kardan "to do," → -or.