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