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atrioventricular valves
atrioventricular valve
(anatomy) Either of the two valves in the heart, situated between the atria and the ventricles, that prevent backflow from the ventricles into the atria during systole.
escape valves
plural of escape valve
escape valve
A valve on a boiler to let the steam escape. / (figuratively) Any psychological mechanism to relieve stress.
D valve
A slide valve with a cup-like cavity in its face, through which exhaust steam passes.
needle valves
plural of needle valve
Kingston valve
A valve fitted in the bottom of a ship's fuel, water or ballast tank that allows seawater to enter for the purposes of cleaning and to admit water ballast.
Kingston valves
plural of Kingston valve
blow valves
plural of blow valve
snifting valve
A small valve opening into the atmosphere from the cylinder or condenser of a steam engine, to allow the escape of air when the piston makes a stroke.
