Synonyms for air duct

MOST RELEVANT
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR AIR DUCT

Nerve and air duct, therefore, are the essentials; the rest is so much material in reserve for the process of the metamorphosis.

Thus the efficiency of fireplaces may be materially increased, the degree depending upon the character of the air duct installed.

MORE RELATED WORDS FOR AIR DUCT

air shaft

nounventilating shaft
Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.