vent pipe

noun

, Plumbing.

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

Word History and Origins

Origin of vent pipe¹

First recorded in 1855–60

Example Sentences

October is a good month — think ghosts and cobwebs as a memory aid — to start an annual routine of pulling the dryer away from the wall, detaching the vent pipe and vacuuming it out.

From Washington Post

No sheet metal, brick, or other flue shall be used as a vent pipe.

From Project Gutenberg

Having opened the vent pipe valve and relieved the pressure, open the valve in the water filling tube.

From Project Gutenberg

The ice room should be ventilated by means of a vent pipe up through the roof to the open.

From Project Gutenberg

The S trap is, upon the whole, the best, but it should be provided with a vent-pipe to prevent siphonage.

From Project Gutenberg

The lower part of the T acts as and connects with the waste pipe while the upper half is and connects with the vent pipe.

From Project Gutenberg