Ventilator
/vˈɛntəˌleɪtər/
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Definition
(noun) A device that circulates fresh air and expels stale or noxious air.
Sentence Examples
She repaired a ventilator.
Tom has been on a ventilator since October.
CEFR Practice Quiz
The patient was placed on a ____ to help them breathe while they were recovering from the serious medical operation today.