valve
Definition from Wiktionary, a free dictionary
Contents |
[edit] English
[edit] Etymology
[edit] Noun
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Singular |
Plural |
valve (plural valves)
- A device that controls the flow of a gas or fluid through a pipe.
- A device that admits fuel and air into the cylinder of an internal combustion engine, or one that allows combustion gases to exit.
- (anatomy) One or more membranous partitions, flaps, or folds, which permit the passage of the contents of a vessel or cavity in one direction, but stop or retard the flow in the opposite direction; as, the ileocolic, mitral, and semilunar valves.
- (British) A vacuum tube.
- (botany) One of the pieces into which certain fruits naturally separate when they dehisce.
- (botany) A small portion of certain anthers, which opens like a trapdoor to allow the pollen to escape, as in the barberry.
- (biology) One of the pieces or divisions of bivalve or multivalve shells.
- (biology) One of the two similar portions of the shell of a diatom.
[edit] Derived terms
- exhaust valve
- heart valve
- vein valve
- ileocecal valve
- intake valve
- toggle valve
- valved
- valveless
- valve oil
- valvoplasty
[edit] Translations
device that controls flow of gas or fluid
device in an internal combustion engine
in anatomy
vacuum tube — see vacuum tube
[edit] Verb
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Infinitive |
Third person singular |
Simple past |
Past participle |
Present participle |
to valve (third-person singular simple present valves, present participle valving, simple past and past participle valved)
- (transitive) To control (flow) by means of a valve.
[edit] Finnish
[edit] Noun
valve
- The state of being awake.
[edit] Declension
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Declension of valve (type hame)
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[edit] Antonyms
[edit] Derived terms
[edit] French
[edit] Etymology
[edit] Pronunciation
[edit] Noun
valve f. (plural valves)
[edit] Derived terms
[edit] Italian
[edit] Noun
valve f.
- Plural form of valva.