| ventilation | | |
| n. (act) | 1. airing, ventilation | the act of supplying fresh air and getting rid of foul air. |
| ~ improvement | the act of improving something.; "their improvements increased the value of the property" |
| n. (artifact) | 2. ventilating system, ventilation, ventilation system | a mechanical system in a building that provides fresh air.; "she was continually adjusting the ventilation" |
| ~ mechanical system | a system of elements that interact on mechanical principles. |
| ~ ventilation shaft | a shaft in a building; serves as an air passage for ventilation. |
| ~ ventilator | a device (such as a fan) that introduces fresh air or expels foul air. |
| n. (communication) | 3. public discussion, ventilation | free and open discussion of (or debate on) some question of public interest.; "such a proposal deserves thorough public discussion" |
| ~ give-and-take, discussion, word | an exchange of views on some topic.; "we had a good discussion"; "we had a word or two about it" |
| n. (act) | 4. 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. |
| ~ artificial respiration | an emergency procedure whereby breathing is maintained artificially. |
| ~ abdominal breathing | breathing in which most of the respiratory effort is done by the abdominal muscles.; "abdominal breathing is practiced by singers" |
| ~ eupnea, eupnoea | normal relaxed breathing. |
| ~ hyperpnea | energetic (deep and rapid) respiration that occurs normally after exercise or abnormally with fever or various disorders. |
| ~ hypopnea | slow or shallow breathing. |
| ~ hyperventilation | an increased depth and rate of breathing greater than demanded by the body needs; can cause dizziness and tingling of the fingers and toes and chest pain if continued. |
| ~ panting, heaving | breathing heavily (as after exertion). |
| ~ cheyne-stokes respiration, periodic breathing | abnormal respiration in which periods of shallow and deep breathing alternate. |
| ~ smoking, smoke | the act of smoking tobacco or other substances.; "he went outside for a smoke"; "smoking stinks" |
| ~ breathing out, exhalation, expiration | the act of expelling air from the lungs. |
| ~ snoring, stertor, snore | the act of snoring or producing a snoring sound. |
| ~ sniffle, snuffle, snivel | the act of breathing heavily through the nose (as when the nose is congested). |
| ~ wheeze | breathing with a husky or whistling sound. |
| ~ second wind | the return of relatively easy breathing after initial exhaustion during continuous exertion. |
| ~ breathing in, inhalation, intake, aspiration, inspiration | the act of inhaling; the drawing in of air (or other gases) as in breathing. |
| ~ bodily function, bodily process, body process, activity | an organic process that takes place in the body.; "respiratory activity" |
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