air duct
noun
an enclosure, usually of sheet metal, that conducts heated or conditioned air.
Origin of air duct
1First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use air duct in a sentence
The ancient conception of the artery as an air-duct gave rise to the derivation from Gr.
Nerve and air duct, therefore, are the essentials; the rest is so much material in reserve for the process of the metamorphosis.
The Life of the Fly | J. Henri FabreThe air-bladder is double, not cellular, with a large air-duct joining the ventral surface of the œsophagus.
A Guide to the Study of Fishes, Volume 1 (of 2) | David Starr JordanThus the efficiency of fireplaces may be materially increased, the degree depending upon the character of the air duct installed.
Farmers' Bulletin 1230 - Chimneys & Fireplaces | A. M. DanielsBut who would think of putting a burglar alarm on an air-duct?
The Romantic Analogue | W.W. Skupeldyckle
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