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
Plus, the storage area has ventilation holes to keep items from becoming musty.
—
Rachel Trujillo, PEOPLE, 28 Oct. 2025
Also, make sure to increase ventilation in the bathroom when cleaning.
—Daley Quinn, Southern Living, 26 Oct. 2025
Both Asbrink and Anguiano tested the hole-less version of the clogs, but Calzuro also makes an option with ventilation across the top for anyone who wants more airflow.
—Alaina Chou, Bon Appetit Magazine, 24 Oct. 2025
Crews installed a ventilation system using several large, vertical pipes to safely release methane gas into the atmosphere.
—Erika I. Ritchie, Oc Register, 24 Oct. 2025
See All Example Sentences for ventilation
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Rachel Trujillo, PEOPLE, 28 Oct. 2025
Also, make sure to increase ventilation in the bathroom when cleaning.
—Daley Quinn, Southern Living, 26 Oct. 2025
Both Asbrink and Anguiano tested the hole-less version of the clogs, but Calzuro also makes an option with ventilation across the top for anyone who wants more airflow.
—Alaina Chou, Bon Appetit Magazine, 24 Oct. 2025
Crews installed a ventilation system using several large, vertical pipes to safely release methane gas into the atmosphere.
—Erika I. Ritchie, Oc Register, 24 Oct. 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 29 Oct. 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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