Definition of ventilation
1
: the act or process of ventilating
2a
: circulation of air
a room with good ventilation
b(1)
: the circulation and exchange of gases in the lungs or gills that is basic to respiration
(2)
: artificial respiration of the lungs
specifically
: mechanical ventilation
ventilation to supply oxygen to the patient's lungs
3
: a system or means of providing fresh air
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Merriam-Webster unabridged
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Time Traveler for ventilation
The first known use of ventilation was in 1664
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