Definitions
from The Century Dictionary.
- noun A duct or passage conveying air; specifically, in ichthyology, the communication of the air-bladder with the intestinal canal. It is persistent in physostomous, temporary in physoclistous, fishes.
- noun In building, same as
airdrain - noun In the heating and ventilation of buildings, a large pipe, often built of wood or thin metal, used to transmit air, either cold or hot.
Etymologies
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Examples
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How to Keep Your Online Business Information Secure Hiring and Managing Employees A Servpro franchise in Nashville, part of Servpro Industries Inc., a cleanup and restoration company based in Gallatin, Tenn., scored three carpet-cleaning jobs and one air-duct cleaning job from various chamber members after posting a 15% discount offer on the site, says owner Rob Dixon
Filling in the Gaps 2009
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Passive systems are based on either thermosyphon or air-duct cooling systems, and utilize low ambient temperatures during winter to refreeze a buffer layer of non-frost-susceptible material beneath the building.
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The side venting holes pull in cool air to lower CPU and graphic card temperatures and the air-duct funnels the cool air towards the CPU, while unique rear venting holes enhances ventilation around the add-on cards.
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"That fire the fools started two decks down'the air-duct system is going to carry the smoke everywherel" he exclaimed to Vyann.
Starship Aldiss, Brian 1959
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The air also escapes sometimes from the alimentary canal, through an air-duct that connects the floating bladder with the pharynx, and is ejected by the mouth.
The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876
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This hydrostatic apparatus begins in the Dipneusts to change into a respiratory organ; the blood-vessels in the wall of the bladder now no longer merely secrete air themselves, but also take in fresh air through the air-duct.
The Evolution of Man — Volume 2 Ernst Heinrich Philipp August Haeckel 1876
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Excitement can set the attendant air-duct in motion.
The Glow-Worm and Other Beetles Jean-Henri Fabre 1869
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She asks if she can go back to the day room so the voice in the air-duct can't get to her.
Too Disgusting to Contemplate, Too Compelling to Ignore 2010
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Shaw was one of four partners who in 2003 purchased Tougher, a contracting firm in Menands that builds and maintains plumbing and air-duct systems.
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But are discount air-duct cleaning services a bargain or another case of something too good to be true?
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