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WordNet-Online
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Noun ventilation has 4 senses
- ventilation, airing - the act of supplying fresh air and getting rid of foul air
--1 is a kind of improvement
- ventilation, ventilation system, ventilating system - a mechanical system in a building that provides fresh air; "she was continually adjusting the ventilation"
--2 is a kind of mechanical system
--2 has parts: ventilation shaft; ventilator
- public discussion, ventilation - free and open discussion of (or debate on) some question of public interest; "such a proposal deserves thorough public discussion"
--3 is a kind of discussion, give-and-take, word
- breathing, external respiration, respiration, ventilation - the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation
--4 is a kind of bodily process, body process, bodily function, activity
--4 has parts:
--4 has particulars:
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