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

Just as mines are already running drag lines, drills, conveyor belts, rail systems, ventilation and ropeways with electricity, increasingly the biggest vehicles will have batteries, electric motors and often connections to overhead wires. —Michael Barnard, Forbes, 29 Nov. 2023

Israel stopped fuel entering Gaza after Hamas’ Oct. 7 attack, saying it could be used to launch missiles and operate tunnel ventilation. —Anna Schecter, NBC News, 24 Nov. 2023

Thanks to its on-trend quarter zip to customize your ventilation and cropped fit to show off the rest of your outfit, this Vuori number is equal parts functional and fashionable. —Marissa Miller, Travel + Leisure, 21 Nov. 2023

Kids can easily enter and exit through the flap door in the front, and there is a mesh window for ventilation and an outside view. —Nor'adila Hepburn, Southern Living, 17 Nov. 2023

The rattan back offers ventilation, while the boucle cushion provides plenty of padding when sitting. —Sanah Faroke, Peoplemag, 16 Nov. 2023

Only bedridden patient requiring ventilation will be transferred by ambulance. —Mary Kekatos, ABC News, 13 Nov. 2023

Depending on ventilation levels, concentrations could reach levels known to contribute to health risks. —The Conversation, Ars Technica, 4 Nov. 2023

The villas’ design — with ample cross ventilation, high pitched roofs, and wide overhangs to provide natural shade and protection from the rain — was inspired by the century-old houses near the canal. —John Bowe, Travel + Leisure, 18 Oct. 2023

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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

• mechanical ventilation
• artificial ventilation

• mechanical ventilation
• artificial 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