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
Additionally, Vallo says that the lack of ventilation in plastic containers causes fruits to get moldy and mushy because of the moisture buildup.
—
Ashlyn Needham, Southern Living, 22 Sep. 2025
The district has budgeted $10 million for a scope of work at CDM that includes transforming classrooms into new modern learning studios, improvements to the building including a new roof, fresh paint and a heating ventilation and air conditioning system replacement.
—Karen Billing, San Diego Union-Tribune, 22 Sep. 2025
The 20-way power front seats with massage and ventilation cost $3,750.
—James Raia, Mercury News, 21 Sep. 2025
Her mold prevention tips include using dehumidifiers in high-humidity areas; keeping up with regular home cleaning; drying damp surfaces promptly; and monitoring vulnerable areas like HVAC (heating, ventilation and air conditioning) closets and basements.
—Soo Kim, MSNBC Newsweek, 19 Sep. 2025
See All Example Sentences for ventilation
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Ashlyn Needham, Southern Living, 22 Sep. 2025
The district has budgeted $10 million for a scope of work at CDM that includes transforming classrooms into new modern learning studios, improvements to the building including a new roof, fresh paint and a heating ventilation and air conditioning system replacement.
—Karen Billing, San Diego Union-Tribune, 22 Sep. 2025
The 20-way power front seats with massage and ventilation cost $3,750.
—James Raia, Mercury News, 21 Sep. 2025
Her mold prevention tips include using dehumidifiers in high-humidity areas; keeping up with regular home cleaning; drying damp surfaces promptly; and monitoring vulnerable areas like HVAC (heating, ventilation and air conditioning) closets and basements.
—Soo Kim, MSNBC Newsweek, 19 Sep. 2025
See All Example Sentences for ventilation
Cite this Entry
“Ventilation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ventilation. Accessed 23 Sep. 2025.
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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