English - English Dictionary

Few words

univalvea class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes
bivalvemarine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together
throttle valvea valve that regulates the supply of fuel to the engine
ball valveany valve that checks flow by the seating of a ball
butterfly valvea valve in a carburetor that consists of a disc that turns and acts as a throttle
clack valvea simple valve with a hinge on one side; allows fluid to flow in only one direction
clapper valvea simple valve with a hinge on one side; allows fluid to flow in only one direction
rectifying valvea thermionic tube having two electrodes; used as a rectifier
exhaust valvea valve through which burned gases from a cylinder escape into the exhaust manifold
heart valvean implant that replaces a natural heart valve
intake valvea valve that controls the flow of fluid through an intake
poppet valvea mushroom-shaped valve that rises perpendicular from its seat; commonly used in internal-combustion engines
valve rockera lever pivoted at the center; used especially to push a valve down in an internal-combustion engine
safety valvea valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
relief valvea valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
escape valvea valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
slide valvevalve that opens and closes a passageway by sliding over a port
sluice valveregulator consisting of a valve or gate that controls the rate of water flow through a sluice
thermionic valveelectronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
valvecontrol consisting of a mechanical device for controlling the flow of a fluid
valvedevice in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
valve-in-head engineinternal-combustion engine having both inlet and exhaust valves located in the cylinder head
mitral valvevalve with two cusps; situated between the left atrium and the left ventricle
bicuspid valvevalve with two cusps; situated between the left atrium and the left ventricle
left atrioventricular valvevalve with two cusps; situated between the left atrium and the left ventricle