water seal
a small amount of water contained in the trap of a drain to prevent the passage of foul smells
Words Nearby water seal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use water seal in a sentence
To make a trap with what is known as a water-seal, the U pipe is turned into an S fallen forward, .
The Library of Work and Play: Housekeeping | Elizabeth Hale GilmanThese ash-pits are themselves provided with an overflow consisting of a siphon-tube forming a water-seal.
Gas-Engines and Producer-Gas Plants | R. E. MathotBoth tubes were connected to a water seal bottle, and the dressing was applied.
Warren Commission (4 of 26): Hearings Vol. IV (of 15) | The President's Commission on the Assassination of President KennedyAt S and T are glands which provide a water seal against the inleakage of air and the outleakage of steam.
Steam Turbines | Hubert E. CollinsThe water seal in the traps may evaporate, and thus give direct sewer-air connection with the house.
Convenient Houses | Louis Henry Gibson
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