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Definition of "ventilation" []

  • The replacement of stale or noxious air with fresh air. (noun)
  • The mechanical system or equipment used to circulate air or to replace stale air with fresh air. (noun)
  • See respiration. (noun)
  • Aeration or oxygenation, as of blood. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "ventilation" in a sentence
  • "When the cabin ventilation is turned off, as it must be once a day to exchange the carbon dioxide scrubbers, the silence is absolute."
  • "In these great blocks what they call ventilation is a steady draught, and there is no 'home' about it."
  • "Might work if it was a small pool and the ventilation is powerful."