Longman Dictionary of Contemporary English homepage

Date: 1400-1500
Language: Latin
Origin: , past participle of ventilare, from ventus 'wind'

ventilate

 verb
     
ven‧ti‧late [transitive]
1 to let fresh air into a room, building etc
well-ventilated/poorly ventilated etc
a well-ventilated kitchen
2 to pump air into and out of someone's lungs, using a special machine:
Both patients are sedated and ventilated.
3 formal to express your opinions or feelings about something:
The important thing is to ventilate your anger.
—ventilation noun [uncountable]
a ventilation system
artificial ventilation
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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