ventilation Hear it!

ventilation definition

ven·ti·la·tion (vent′'l ā′s̸hən)

noun

  1. a ventilating or being ventilated
  2. a system or equipment for ventilating

Etymology: L ventilatio

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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