ven·​ti·​la·​tion | \ˌven-tə-ˈlā-shən \

Definition of ventilation 

1 : the act or process of ventilating

2a : circulation of air a room with good ventilation

b : the circulation and exchange of gases in the lungs or gills that is basic to respiration

3 : a system or means of providing fresh air

Examples of ventilation in a Sentence

Recent Examples on the Web

And aside from upkeep, there is no human intervention, which means the builder saves on labor, ventilation and lighting costs. Stefanos Chen, The Seattle Times, "Real estate technology that could have a lasting effect on housing," 20 Nov. 2018 The architects designed the space in a cross formation, which allows ventilation to move through the rooms like a natural air conditioner. Liz Stinson, Curbed, "Garden-filled house keeps cool with sandstone," 25 Sep. 2018 Without internal combustion engines chugging away, tunnels would be smaller, as ventilation is less of an issue. Megan Geuss, Ars Technica, "Boring Company approved to build a tunnel entrance inside a residential garage," 13 Sep. 2018 The slitted front adds ventilation and a summery flash of skin, while staying feminine with bowtie knots. Madeline Fass, Vogue, "15 Fresh Ideas for Covering Up at the Beach This Summer," 3 Aug. 2018 The dining room is airy and bright with living walls featuring plants and exposed ventilation. Susan Selasky, Detroit Free Press, "Detroit just got another burger joint: Why this one's different," 11 May 2018 Cut slits across the top of the stromboli to allow ventilation. Alex Delany, Bon Appetit, "This Tax Season Stromboli Recipe Is My Only Dependent," 9 Apr. 2018 Zip-open panels on the sides and rear of the tent allow ventilation, while mesh keeps the bugs out. Wes Siler, Outside Online, "A Better Rooftop Tent That's a Camper, Too," 3 Apr. 2018 As scientists have discovered in recent years, these mounds comprise a beautifully elegant system of natural ventilation. Helen Czerski, WSJ, "Ventilation Tips From the Animal Kingdom," 1 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ventilation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of ventilation

1519, in the meaning defined at sense 1

History and Etymology for ventilation

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

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Statistics for ventilation

Last Updated

2 Dec 2018

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Time Traveler for ventilation

The first known use of ventilation was in 1519

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More Definitions for ventilation


ven·​ti·​la·​tion | \ˌven-tə-ˈlā-shən \

Kids Definition of ventilation

1 : the act or process of ventilating

2 : a system or means of providing fresh air


ven·​ti·​la·​tion | \ˌvent-ᵊl-ˈā-shən \

Medical Definition of ventilation 

1 : the act or process of ventilating

2 : the circulation and exchange of gases in the lungs or gills that is basic to respiration

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More from Merriam-Webster on ventilation

Rhyming Dictionary: Words that rhyme with ventilation

Spanish Central: Translation of ventilation

Nglish: Translation of ventilation for Spanish Speakers

Britannica English: Translation of ventilation for Arabic Speakers Encyclopedia article about ventilation

Comments on ventilation

What made you want to look up ventilation? Please tell us where you read or heard it (including the quote, if possible).


to move with a clumsy heavy tread

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