ventilation

n. act of providing with fresh air, airing out, freshening; act of raising a point or question for discussion; oxygenation of the blood

Ventilation is movement of air into and outside the body, and can be used in the following contexts:ventilation (architecture)ventilation (firefighting)ventilation (physiology)ventilation (tunnel)ventilation (mining)
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Ventilation /ven·ti·la·tion/ 1. breathing ; the exchange of air between the lungs and the environment, including inhalation and exhalation. 2. [more]Ventilation - Community and Resources

Noun
1. the act of supplying fresh air and getting rid of foul air
(synonym) airing
(hypernym) improvement
(derivation) ventilate
2. a mechanical system in a building that provides fresh air; "she was continually adjusting the ventilation"
(synonym) ventilation system, ventilating system
(hypernym) mechanical system
(part-meronym) ventilation shaft
(derivation) ventilate
3. free and open discussion of (or debate on) some question of public interest; "such a proposal deserves thorough public discussion"
(synonym) public discussion
(hypernym) discussion, give-and-take, word
(derivation) vent, ventilate, give vent
4. the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation
(synonym) breathing, external respiration, respiration
(hypernym) bodily process, body process, bodily function, activity
(hyponym) artificial respiration
(part-meronym) exhalation, expiration, breathing out

n. ventilation, act of providing with fresh air, airing out, freshening