ventilator

US /ˈven.t̬əl.eɪ.ɚ/
UK /ˈven.t̬əl.eɪ.ɚ/
"ventilator" picture
1.

a machine that helps people breathe when they have difficulty breathing on their own

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The patient was put on a ventilator to assist with breathing.
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Many hospitals faced a shortage of ventilators during the pandemic.
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respiratorbreathing machine
2.

a device that circulates air, typically to cool or ventilate a space

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The bathroom has a small ventilator to remove steam.
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We need to install a powerful ventilator in the kitchen.
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fanblowerextractor
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ventilate