Synonyms of duct

duct

noun

ˈdəkt 

as in pipe

a long hollow cylinder for carrying a substance (as a liquid or gas)

air ducts to provide ventilation

Synonyms & Similar Words

• pipe
• conduit
• tube
• channel
• funnel
• drain
• piping
• line
• trough
• penstock
• leader
• pipeline
• tile
• standpipe
• hydrant
• stovepipe
• smokestack
• waste pipe
• drainpipe
• spout
• main
• waterspout
• pipage

Example Sentences

Recent Examples of duct

Of course, as anyone with a baby (or who’s spent time anywhere near a baby) can tell you, a kid doesn’t have to shoot spit into your milk ducts to expose you to their germs. — Popular Science Team, Popular Science, 29 July 2026

Toyota also makes extensive mention of the GRMN’s aero, which includes a hood duct, fender ducts, front side spoilers, and the aforementioned trick rear wing. — Caleb Jacobs, The Drive, 29 July 2026

If the ducts aren't installed right or are blocked, even the most energy-efficient HVAC system will perform poorly. — Alora Bopray, USA Today, 24 July 2026

Heating or fireplace experts can make sure that vents, ducts and other systems are working properly to remove harmful smoke and toxins created while the wood burns. — Dr. Lauren Zajac, Boston Herald, 19 July 2026