ventilation

noun

ven·​ti·​la·​tion ˌven-tə-ˈlā-shən How to pronounce ventilation (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Reports from the environmental tester and follow-up inspections showed that the heating, ventilation and air conditioning system was undersized and blowing insulation into her son’s room, and five windows were put in upside down. Nick Rosenberger, Idaho Statesman, 13 Jan. 2025 Gordon charged that the bunk beds were not far enough apart and ventilation was poor. Maureen Groppe, USA TODAY, 13 Jan. 2025 Turn off the furnace, open some windows for ventilation, and contact an HVAC professional. Timothy Dale, Better Homes & Gardens, 10 Jan. 2025 The facilities fall under the same state Department of Health Care Access and Information regulations as primary care clinics, though birth centers see healthy families, not sick ones, and don’t need hospital-grade ventilation, said midwife Caroline Cusenza. Ronnie Cohen, Sacramento Bee, 8 Jan. 2025 See all Example Sentences for ventilation 

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

Time Traveler
The first known use of ventilation was in 1664

Dictionary Entries Near ventilation

Cite this Entry

“Ventilation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ventilation. Accessed 22 Jan. 2025.

Kids Definition

ventilation

noun
ven·​ti·​la·​tion ˌvent-ᵊl-ˈā-shən How to pronounce ventilation (audio)
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 How to pronounce ventilation (audio)
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

More from Merriam-Webster on ventilation

Last Updated: - Updated example sentences
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