Definition of "ductwork" [ductwork]

• A group or system of ducts: installed new ductwork in the building. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The sound made by repeatedly pounding and banging on metal ductwork is impressively loud."
• "For example, electric baseboard heaters and the ductwork in forced-air systems both click and clank as they heat up and cool down."
• "Other easy fixes included using power meters to find and defang energy-wasting "vampire" appliances, changing a refrigerator door gasket, tuning up your heating system, and fixing leaky ductwork."