insulation Hear it!

insulation definition

in·su·la·tion (in′sə lā′s̸hən; -so̵o-, -syo̵o-)

noun

  1. an insulating or being insulated
  2. any material used to insulate

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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