Definition of Valve

a typically cylindrical device that can be opened and closed that is used to direct the flow of liquid or air

Examples of Valve in a sentence

The firefighters connected the hose to the fire hydrant and opened the valve to release the water.  🔊

The plumber hurriedly turned off the valve to prevent water from flowing into the broken pipe.  🔊

Most appliances like a gas heater or kitchen sink have a valve that can be turned on or off to stop fluid or air flow.  🔊

Surgeons can now insert an artificial valve to control the flow of blood to the heart.  🔊

The valve the runs through each chamber of the heart prevents blood from flowing in the wrong direction.  🔊

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