ventilations

Noun

ventilation (countable and uncountable, plural ventilations)

1. The replacement of stale or noxious air with fresh.
   • So you punched out a window for ventilation. Was that before or after you noticed you were standing in a lake of gasoline?1991, Backdraft, Robert DeNiro (actor)
2. The mechanical system used to circulate and replace air.
3. An exchange of views during a discussion.
4. The public exposure of an issue or topic.
   • "No, Mr. Malone, I will place no restriction upon your correspondence, since the ventilation of the facts is the object of your journey; but I demand that you shall give no particulars as to your exact destination, and that nothing be actually published until your return."1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC
5. The bodily process of breathing; the inhalation of air to provide oxygen, and the exhalation of spent air to remove carbon dioxide.
   • This toxin impairs ventilation by causing inflammation in the bronchioles.

   Synonyms:

   respiration