ventilator Hear it!

ventilator definition

ven·ti·la·tor (vent′'l āt′ər)

noun

a thing that ventilates; esp., any device used to bring in fresh air and drive out foul air

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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