plural ventilators
Definition of ventilator
: something or someone that ventilates: such as
a
: a device for introducing fresh air or expelling foul or stagnant air
b
: a device for maintaining artificial respiration
especially
: a mechanized device that enables the delivery or movement of air and oxygen into the lungs of a patient whose breathing has ceased, is failing, or is inadequate : mechanical ventilator
Note: Modern, computerized mechanical ventilators typically monitor and customize gas delivery, maintain a constant pressure in the lungs to prevent the alveoli from collapsing, and deliver air and oxygen to the lungs by way of an endotracheal tube.
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Merriam-Webster unabridged
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Time Traveler for ventilator
The first known use of ventilator was in 1743
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