vent pipe

American  

noun

Plumbing.

1. a pipe above a waste pipe or soil pipe that allows gas to escape from the system.

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Etymology

Origin of vent pipe

First recorded in 1855–60

Example Sentences

If the smells persist once all the P-traps are clean, free-flowing and filled with water, there could be a plug in the vent pipe system that carries sewer gases up to the roof.

From Washington Post • Nov. 4, 2022

Here’s a partial list of things that are not a roof: plumbing vent pipe, chimney, skylights, powered roof ventilator, attic or room dormer, a wall that’s next to and rises above a roof.

From Washington Post • Jul. 19, 2022

Here’s a partial list of things that are not a roof: plumbing vent pipe, chimney, skylight, powered roof ventilator, attic or room dormer, and a wall that’s next to and rises above a roof.

From Seattle Times • Jun. 14, 2022

I described how he could relocate the vent pipe so it was no longer above the floor and yet would meet code and function properly.

From Seattle Times • Jan. 27, 2022

He’d built the frame from long beams, the roof and walls from decking, the chimney from a vent pipe off a lost steamer, one window from a porthole.

From "Beyond the Bright Sea" by Lauren Wolk