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headroom definition

head·room (hed′ro̵̅o̅m′)

noun

  1. space or clearance overhead, as in a doorway, tunnel, etc.
  2. the temporary increase in volume or power that a high-fidelity audio component can accommodate without distortion

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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