caliduct(redirected from Caloriduct)
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1. A duct or pipe for conveying hot air, hot water, or steam for heating.
2. In the ancient Roman systems of furnace heating, a hot-air flue, usually of terra-cotta or built up with brick partitions and tile facings.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.