air passage

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Noun1.air passage - a duct that provides ventilation (as in mines)air passage - a duct that provides ventilation (as in mines)
duct - an enclosed conduit for a fluid
register - an air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room
schnorchel, schnorkel, snorkel breather, breather, snorkel - air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
upcast - air passage consisting of a ventilation shaft through which air leaves a mine
vent, venthole, vent-hole, blowhole - a hole for the escape of gas or air
ventilation shaft - a shaft in a building; serves as an air passage for ventilation
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References in periodicals archive ?
Host country is providing jobless Mahmood Lodhi air passage, boarding and lodging during the course of the championship.
Farmers should keep potato at a one foot high bed and duct should be formed for air passage. This duct, however, should be closed in the morning to prevent chances of hot air passage.
These growth factors could cause airway-lining cells to reproduce, eventually thickening the lining and narrowing the air passage, says Ressler.
They said people should allow some air passage in the room where heater is kept to avoid suffocation.
"If you put positive air pressure on the back of the [throat], you can essentially blow the air passage open," Remmers says.
What you've had is a bout of angioedema, an allergic condition that typically affects the mouth, throat, eyes and air passage. Sometimes severe swelling can interfere with breathing and has to be treated as an emergency.