water seal

British  

noun

1. a small amount of water contained in the trap of a drain to prevent the passage of foul smells

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Example Sentences

See Examples For:

water seal

Their multi-scale suction mechanism is an organic combination of mechanical conformation and regulated water seal.

From Science Daily ● Apr. 18, 2024

Before you turn the water on or flush a toilet, the drain pipes, beyond the water seal in your P-traps, are filled with air.

From Seattle Times ● Feb. 13, 2023

When it’s time to eat, they pour in the boiling water, seal the bag, then tuck it into a coat or a beanie to keep things hot.

From New York Times ● Jun. 26, 2017

This fermentation jar from Bay Area ceramist Sarah Kersten is lined with a food-safe glaze and has a "water seal," which eliminates evaporation and odors.

From Los Angeles Times ● Nov. 27, 2015

An overflow in the shape of a siphon, provided with a water seal, carries the water to the waste-pipe either directly or after it has first passed through the dust collector.

From Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines by R. E. Mathot

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