Definition of Ventilation

Noun: ventilation ,ven-ti'ley-shun

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