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air valve

American  

noun

  1. a device for controlling the flow of air, as from a pipe or tank.


air valve British  

noun

  1. a device for controlling the flow of air in a pipe

  2. a valve for exhausting air from a fluid system, esp from a central-heating installation See also bleed valve

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Previously, SWW said it believed a damaged air valve on private land was the cause for the outbreak.

From BBC • Mar. 4, 2026

Flowerdew on Friday said the outbreak may have come from a damaged air valve in a pipe that runs through a field where cows graze that is close to a reservoir.

From Seattle Times • May 18, 2024

His latest idea was an improved kind of air valve for inflatable rubber life preservers.

From BBC • Jul. 23, 2019

Maybe an empty tank was strapped to the BC vest by mistake, or maybe an air valve was closed off.

From Forbes • Oct. 22, 2014

It will be noticed that a metering pin or needle valve opens the jet when the air valve opens.

From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred