Noun

(-)

The replacement of stale or noxious air with fresh.

* 1991 , :

So you punched out a window for ventilation . Was that before'' or ''after you noticed you were standing in a lake of gasoline?

The mechanical system used to circulate and replace air.

An exchange of views during a discussion.

The bodily process of breathing; the inhalation of air to provide oxygen, and the exhalation of spent air to remove carbon dioxide.

Noun

(en noun)

A hole provided for ventilation or breathing

* {{quote-book, year=1887, author=H. Rider Haggard, title=Jess, chapter=, edition= citation

, passage="This wall is badly built," he went on in a careless tone; "look, there is another space there at the back;" and he actually came up to it and held the lantern close to the airhole in such fashion that its light shone through into Jess's eyes and nearly blinded her. }}

* {{quote-book, year=1914, author=Morris Hicky Morgan, title=Ten Books on Architecture, chapter=, edition= citation

, passage=For if they touch one another, and so do not leave airholes and admit draughts of air to blow between them, they get heated and soon begin to rot. }}

* {{quote-news, year=1995, date=July 14, author=Albert Williams, title=Words First, work=Chicago Reader citation

, passage=The youngest son, Vardaman, is unable to cope with Addie's death and drills airholes in her coffin (and accidentally into her head) and insistently declares, "My mother is a fish"--like the big one he recently caught and gutted. }}

A hole in ice through which air escapes

* {{quote-book, year=1901, author=Jack London, title=The God of His Fathers, chapter=, edition= citation

, passage=Through these and through countless airholes , the water began to sweep across the surface of the ice, and by the time he pulled into a woodchopper's cabin on the point of an island, the dogs were being rushed off their feet and were swimming more often than not. }}

* {{quote-book, year=1914, author=Arthur M. Winfield, title=The Rover Boys in Alaska, chapter=, edition= citation

, passage="Even if it is hard enough, there may be airholes around." }}