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Meaning of insulation

in•su•la•tion

Pronunciation: (in"su-lā'shun, ins"yu-), [key]
— n.
  1. material used for insulating.
  2. the act of insulating.
  3. the state of being insulated.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
insulate insulative