ventilation
noun
ven·ti·la·tion
ˌven-tə-ˈlā-shən 
1
: the act or process of ventilating
2
a
: circulation of air
a room with good ventilation
b(1)
: the circulation and exchange of gases in the lungs or gills that is basic to respiration
(2)
: artificial respiration of the lungs
3
: a system or means of providing fresh air
Examples of ventilation in a Sentence
Recent Examples on the Web
The district is also looking at how to pay for aging equipment including heating, ventilation and air conditioning, which could require at least $500,000 in budget increases.
—
Fousia Abdullahi, Fort Worth Star-Telegram, 2 Apr. 2026
There are 10 watchmaking stations, rows of CNC machines, an advanced ventilation system and state-of-the-art quality control equipment and systems.
—Carol Besler, Robb Report, 2 Apr. 2026
There’s no need for elaborate, high-tech designs, only a sensitivity to ventilation, shade, openness, and materials that feel rooted in local life.
—Justin Davidson, Curbed, 1 Apr. 2026
Maintaining a greenhouse takes regular attention — monitoring temperature, managing ventilation and staying on top of watering.
—Lauren Jarvis-Gibson, Miami Herald, 1 Apr. 2026
See All Example Sentences for ventilation
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Fousia Abdullahi, Fort Worth Star-Telegram, 2 Apr. 2026
There are 10 watchmaking stations, rows of CNC machines, an advanced ventilation system and state-of-the-art quality control equipment and systems.
—Carol Besler, Robb Report, 2 Apr. 2026
There’s no need for elaborate, high-tech designs, only a sensitivity to ventilation, shade, openness, and materials that feel rooted in local life.
—Justin Davidson, Curbed, 1 Apr. 2026
Maintaining a greenhouse takes regular attention — monitoring temperature, managing ventilation and staying on top of watering.
—Lauren Jarvis-Gibson, Miami Herald, 1 Apr. 2026
See All Example Sentences for ventilation
Cite this Entry
“Ventilation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ventilation. Accessed 5 Apr. 2026.
Copy CitationKids Definition
ventilation
noun
ven·ti·la·tion
ˌvent-ᵊl-ˈā-shən
1
: the act or process of ventilating
2
: circulation of air
a room with good ventilation
3
: a system or means of providing fresh air
Medical Definition
ventilation
noun
ven·ti·la·tion
ˌvent-ᵊl-ˈā-shən
1
: the circulation and exchange of gases in the lungs or gills that is basic to respiration
2
: artificial respiration of the lungs
3
: the circulation of air through a space and especially an enclosed space
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