transitive verb-·lat·ed, -·lat·ing
- to circulate fresh air in (a room, etc.), driving out foul or stale air
- to circulate in (a room, etc.) so as to freshen: said of air
- to provide with an opening for the escape of air, gas, etc.; furnish a means for airing
- to expose (a substance) to fresh air so as to keep in good condition
- to examine and discuss in public; bring (a grievance, problem, etc.) out into the open
- to aerate (blood); oxygenate
- Obs. to winnow (grain)
Origin of ventilatefrom Classical Latin ventilatus, past participle of ventilare, to fan, ventilate from ventus, wind
verbven·ti·lat·ed, ven·ti·lat·ing, ven·ti·lates
- To admit or force fresh air into (a building or closed space, such as a mine) to replace stale or noxious air.
- To circulate through and freshen: A sea breeze ventilated the rooms.
- To provide with a vent, as for airing.
- To expose (a substance) to the circulation of fresh air, as to retard spoilage.
- To expose to public discussion or examination: The students ventilated their grievances.
- To inhale and exhale (air, for example); breathe.
- To keep (a person or animal) breathing by artificial means.
Origin of ventilateMiddle English ventilaten to blow away from Latin ventilāre ventilāt- to fan from ventulus diminutive of ventus wind ; see wē- in Indo-European roots.
(third-person singular simple present ventilates, present participle ventilating, simple past and past participle ventilated)
From Middle English, from Latin ventilÄtus, past participle of ventilÅ.