RhymeZone: ventilation definitions

Definitions of ventilation:

noun: the act of supplying fresh air and getting rid of foul air
noun: a mechanical system in a building that provides fresh air
Example: "She was continually adjusting the ventilation"
noun: free and open discussion of (or debate on) some question of public interest
noun: the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation