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

specifically : mechanical ventilation

ventilation to supply oxygen to the patient's lungs

3

: a system or means of providing fresh air

Examples of ventilation in a Sentence

Recent Examples on the Web

Also, check your heating system yearly, ensure good ventilation for all your appliances, and don't run your vehicle inside a closed garage. —Amanda Gardner, Health, 1 June 2024

Usually, the technology used by Mitsubishi’s engineers would be harnessed for fine-tuning wiring in appliances such as air conditioners and ventilation fans, per the Asahi Shimbun’s Satoshi Seii and Ryuichiro Fukuoka. —Christian Thorsberg, Smithsonian Magazine, 29 May 2024

Plans include replacing the concrete indoor gym floor with a wooden one that will accommodate basketball, volleyball and potentially pickleball; replacing the ventilation system; upgrading lighting, windows, security and audio systems; and adding a new lobby and office space. —Tammy Murga, San Diego Union-Tribune, 24 May 2024

Living with wildfire smoke may mean using air filtration devices, wearing N95 or KN95 masks on bad air days, modifying outdoor commuting patterns and activity schedules and changing household ventilation choices. —Charles O. Stanier, Discover Magazine, 23 May 2024

Word History

Etymology

borrowed from Latin ventilātiōn-, ventilātiō, from ventilāre "to expose to the air, ventilate" + -tiōn-, -tiō, suffix of action nouns

First Known Use

1664, in the meaning defined at sense 1

Phrases Containing ventilation

• artificial ventilation
• mechanical ventilation

Kids 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

specifically : mechanical ventilation

began ventilation to supply oxygen to the patient's lungs

3

: the circulation of air through a space and especially an enclosed space