vent pipe

noun

Plumbing.

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

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Word History and Origins

Origin of vent pipe¹

First recorded in 1855–60

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Example Sentences

Examples have not been reviewed.

They think the purpose of the vent pipe is to expel sewer gas outside.

From

I created a small bathroom with normal fixtures, but instead of using the code-required vent pipe sizes, I vented the entire bathroom with just 1/2-inch-diameter pipe.

From

This extra pipe was a vent pipe.

From

I didn’t understand how that vent pipe worked at the time, but after a few trips to the local library, I discovered why the pipe was a vital part of the system.

From

The vent pipe in your roof allows the air to enter the system to replace the air being pushed through the pipes by the drain water.

From

ventouse ventr-

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