ventilation
/ˌvɛntɪˈleɪʃ(ə)n/
Proposed by a contributor, not yet supported by evidence.
Also seen as: ventilations
Sense 1
Meaning · English
The replacement of stale or noxious air with fresh.
Noun
Examples
So you punched out a window for ventilation. Was that before or after you noticed you were standing in a lake of gasoline?
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
The mechanical system used to circulate and replace air.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “ventilation” mean?
The replacement of stale or noxious air with fresh.
Is “ventilation” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.