Ven`ti*la"tion (?), n. [L. ventilatio: cf. F. ventilation.]
1.
The act of ventilating, or the state of being ventilated; the art or process of replacing foul air by that which is pure, in any inclosed place, as a house, a church, a mine, etc.; free exposure to air.
Insuring, for the laboring man, better ventilation.
F. W. Robertson.
2.
The act of refrigerating, or cooling; refrigeration; as, ventilation of the blood.
[Obs.]
Harvey.
3.
The act of fanning, or winnowing, for the purpose of separating chaff and dust from the grain.
4.
The act of sifting, and bringing out to view or examination; free discussion; public exposure.
The ventilation of these points diffused them to the knowledge of the world.
Bp. Hall.
5.
The act of giving vent or expression.
"
Ventilation of his thoughts."
Sir H. Wotton.
© Webster 1913.