valve
English Thesaurus
1. one of the paired hinged shells of certain molluscs and of brachiopods (noun.animal)
| hypernym | : | shell, shell, |
| definition | : | the hard largely calcareous covering of a mollusc or a brachiopod (noun.animal) |
2. control consisting of a mechanical device for controlling the flow of a fluid (noun.artifact)
| hypernym | : | control, controller, |
| definition | : | a mechanism that controls the operation of a machine (noun.artifact) |
| hyponym | : | ball valve, |
| definition | : | any valve that checks flow by the seating of a ball (noun.artifact) |
| hyponym | : | butterfly valve, |
| definition | : | a valve in a carburetor that consists of a disc that turns and acts as a throttle (noun.artifact) |
| hyponym | : | choke, |
| definition | : | a valve that controls the flow of air into the carburetor of a gasoline engine (noun.artifact) |
| hyponym | : | clack, clack valve, clapper valve, |
| definition | : | a simple valve with a hinge on one side; allows fluid to flow in only one direction (noun.artifact) |
| hyponym | : | exhaust valve, |
| definition | : | a valve through which burned gases from a cylinder escape into the exhaust manifold (noun.artifact) |
| hyponym | : | intake valve, |
| definition | : | a valve that controls the flow of fluid through an intake (noun.artifact) |
| hyponym | : | poppet, poppet valve, |
| definition | : | a mushroom-shaped valve that rises perpendicularly from its seat; commonly used in internal-combustion engines (noun.artifact) |
| hyponym | : | slide valve, |
| definition | : | valve that opens and closes a passageway by sliding over a port (noun.artifact) |
| part holonym | : | handwheel, |
| definition | : | control consisting of a wheel whose rim serves as the handle by which a part is operated (noun.artifact) |
| part holonym | : | handwheel, |
| definition | : | a wheel worked by hand (noun.artifact) |
3. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone (noun.artifact)
| hypernym | : | device, |
| definition | : | an instrumentality invented for a particular purpose (noun.artifact) |
| part meronym | : | brass, brass instrument, |
| definition | : | a wind instrument that consists of a brass tube (usually of variable length) that is blown by means of a cup-shaped or funnel-shaped mouthpiece (noun.artifact) |
4. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it (noun.body)
| hyponym | : | ileocecal valve, |
| definition | : | 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 (noun.body) |
| part meronym | : | heart, pump, ticker, |
| definition | : | the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body (noun.body) |
5. control consisting of a mechanical device for controlling the flow of a fluid (noun.artifact)
| derivation | : | valvular, |
| definition | : | relating to or operating by means of valves (adj.pert) |
6. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone (noun.artifact)
7. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it (noun.body)
| derivation | : | valvular, |
| definition | : | relating to or operating by means of valves (adj.pert) |
8. control consisting of a mechanical device for controlling the flow of a fluid (noun.artifact)
| derivation | : | valvular, |
| definition | : | relating to or operating by means of valves (adj.pert) |
9. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone (noun.artifact)
10. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it (noun.body)
| derivation | : | valvular, |
| definition | : | relating to or operating by means of valves (adj.pert) |
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