Definition of 'ventilation'

Noun

1. the act of supplying fresh air and getting rid of foul air
      Synonyms: airing
2. a mechanical system in a building that provides fresh air; "she was continually adjusting the ventilation"
      Synonyms: ventilation system ventilating system
3. free and open discussion of (or debate on) some question of public interest; "such a proposal deserves thorough public discussion"
      Synonyms: public discussion
4. the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation
      Synonyms: breathing external respiration respiration

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