ventilation

American  

[ven-tl-ey-shuhn] / ˌvɛn tlˈeɪ ʃən /

noun

1. the act of ventilating.

2. the state of being ventilated.

3. facilities or equipment for providing ventilation.

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ventilation British  

/ ˌvɛntɪˈleɪʃən /

noun

1. the act or process of ventilating or the state of being ventilated

2. an installation in a building that provides a supply of fresh air

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Other Word Forms

• nonventilation noun
• overventilation noun
• reventilation noun
• underventilation noun
• ventilative adjective
• ventilatory adjective

Etymology

Origin of ventilation

1425–75; late Middle English ventilacioun < Latin ventilātiōn- (stem of ventilātiō ), equivalent to ventilāt ( us ) ( ventilate ) + -iōn- -ion

Example Sentences

Those standards were not deemed high enough for the World Cup, and NFL stadiums are installing expensive irrigation and ventilation systems that will allow grass to bed in for several weeks before the tournament.

From Barron's

Researchers on the ground were able to access the room, and found the camera - lens pointed at the bed - hidden in the wall ventilation unit and wired into the building's electricity supply.

From BBC

Commercial orders for heating, ventilation, and air-conditioning were up 50% in the fourth quarter.

From Barron's

A growing share of revenue will likely come from new businesses such as appliance subscriptions and web-based services, as well as its heating, ventilation and air-conditioning segment, the analyst adds.

From The Wall Street Journal

In addition to farm work, she provides for her son day and night, including cooking and cleaning the ventilation tube in his windpipe.

From Barron's