| valve | one of the paired hinged shells of certain molluscs and of brachiopods |
| valve | the entire one-piece shell of a snail and certain other molluscs |
accelerator
throttle
throttle valve | a valve that regulates the supply of fuel to the engine |
| ball cartridge | a general purpose cartridge having a primer and a ball and a full charge of powder |
| ball valve | any valve that checks flow by the seating of a ball |
| butterfly valve | a valve in a carburetor that consists of a disc that turns and acts as a throttle |
| cartridge | ammunition consisting of a cylindrical casing containing an explosive charge and a bullet, fired from a rifle or handgun |
| cartridge pickup | an electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable |
| cartridge | a module designed to be inserted into a larger piece of equipment, he loaded a cartridge of fresh tape into the tape deck |
| cartridge belt | a broad belt with loops or pockets for holding ammunition |
cartridge ejector
ejector | a mechanism in a firearm that ejects the empty shell case after firing |
cartridge extractor
cartridge remover
extractor | a mechanism in a firearm that pulls an empty shell case out of the chamber and passes it to the ejector |
| cartridge fuse | a fuse cased in a tube |
cartridge holder
cartridge clip
clip
magazine | a metal frame or container holding cartridges, can be inserted into an automatic gun |
clack valve
clack
clapper valve | a simple valve with a hinge on one side, allows fluid to flow in only one direction |
diode rectifying tube
rectifying valve | a thermionic tube having two electrodes, used as a rectifier |
| exhaust valve | a valve through which burned gases from a cylinder escape into the exhaust manifold |
| heart valve | an implant that replaces a natural cardiac valve |
| ink cartridge | a cartridge that contains ink and can be replaced |
| intake valve | a valve that controls the flow of fluid through an intake |
| magazine cartridge | a light-tight supply chamber holding the film and supplying it for exposure as required |
poppet
poppet valve | a mushroom-shaped valve that rises perpendicularly from its seat, commonly used in internalombustion engines |
rocker arm
valve rocker | a lever pivoted at the center, used especially to push a valve down in an internalombustion engine |
safety valve
relief valve
escape valve
escape cock
escape | a 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 valve | valve that opens and closes a passageway by sliding over a port |
sluicegate
sluice valve
floodgate
penstock head gate water gate | regulator consisting of a valve or gate that controls the rate of water flow through a sluice |
| tape cartridge | a cartridge containing magnetic tape, for use with audio or video recorders or computer systems |
tube vacuum tube
thermionic vacuum tube
thermionic tube
electron tube
thermionic valve | electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope |
| valve | control consisting of a mechanical device for controlling the flow of a fluid |
| valve | device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone |
| valve-in-head engine | internalombustion engine having both inlet and exhaust valves located in the cylinder head |
mitral valve
bicuspid valve
left atrioventricular valve | valve with two cusps, situated between the left atrium and the left ventricle |
tricuspid valve
right atrioventricular valve | valve with three cusps, situated between the right atrium and the right ventricle, allows blood to pass from atrium to ventricle and closes to prevent backflow when the ventricle contracts |
| atrioventricular valve | either of two heart valves through which blood flows from the atria to the ventricles, prevents return of blood to the atrium |
| aortic valve | a semilunar valve between the left ventricle and the aorta, prevents blood from flowing from the aorta back into the heart |
| pulmonary valve | a semilunar valve between the right ventricle and the pulmonary artery, prevents blood from flowing from the artery back into the heart |
| semilunar valve | a heart valve with cusps shaped like half-moons, prevents blood from flowing back into the heart |
heart valve
cardiac valve | a valve to control one-way flow of blood |
| valve | a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it |
| ileocecal valve | valve between the ileum of the small intestine and the cecum of the large intestine, prevents material from flowing back from the large to the small intestine |
pyloric sphincter
pyloric valve
musculus sphincter pylori | the sphincter muscle of the pylorus that separates the stomach from the duodenum |
font cartridge
cartridge font | any font that is contained in a cartridge that can be plugged into a computer printer |
| mitral valve prolapse | cardiopathy resulting from the mitral valve not regulating the flow of blood between the left atrium and left ventricle of the heart |
mitral stenosis
mitral valve stenosis | obstruction or narrowing of the mitral valve (as by scarring from rheumatic fever) |
| cartridge brass | an alloy of copper and zinc (containing about % zinc) that is wrought into cartridges or tubing |
| cartridge paper | paper for making cartridge cases |
| cartridge paper | thick white paper for pencil and ink drawings |