a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it
device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
control consisting of a mechanical device for controlling the flow of a fluid
the entire one-piece shell of a snail and certain other molluscs
one of the paired hinged shells of certain molluscs and of brachiopods
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.
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.
A vacuum tube.
One of the pieces into which certain fruits naturally separate when they dehisce.
A small portion of certain anthers, which opens like a trapdoor to allow the pollen to escape, as in the barberry.
One of the pieces or divisions of bivalve or multivalve shells.
One of the two similar portions of the shell of a diatom.
To control (flow) by means of a valve.
Origin: From valva
a door; especially, one of a pair of folding doors, or one of the leaves of such a door
a lid, plug, or cover, applied to an aperture so that by its movement, as by swinging, lifting and falling, sliding, turning, or the like, it will open or close the aperture to permit or prevent passage, as of a fluid
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
one of the pieces into which a capsule naturally separates when it bursts
one of the two similar portions of the shell of a diatom
a small portion of certain anthers, which opens like a trapdoor to allow the pollen to escape, as in the barberry
one of the pieces or divisions of bivalve or multivalve shells
Origin: [L. valva the leaf, fold, or valve of a door: cf. F. valve.]
A valve is a device that regulates, directs or controls the flow of a fluid by opening, closing, or partially obstructing various passageways. Valves are technically valves fittings, but are usually discussed as a separate category. In an open valve, fluid flows in a direction from higher pressure to lower pressure. The simplest, and very ancient, valve is simply a freely hinged flap which drops to obstruct fluid flow in one direction, but is pushed open by flow in the opposite direction. This is called a check valve, as it prevents or "checks" the flow in one direction. Valves have many uses, including controlling water for Irrigation, industrial uses for controlling processes, residential uses such as on / off & pressure control to dish and clothes washers & taps in the home. Even aerosols have a tiny valve built in. Valves are also used in the military & transport sectors. Valves are found in virtually every industrial process, including water & sewage processing, mining, power generation, processing of oil, gas & petroleum, food manufacturing, chemical & plastic manufacturing and many other fields. People in developed nations use valves in their daily lives, including plumbing valves, such as taps for tap water, gas control valves on cookers, small valves fitted to washing machines and dishwashers, safety devices fitted to hot water systems, and poppet valves in car engines.
Chambers 20th Century Dictionary
valv, n. one of the leaves of a folding-door: a cover to an aperture which opens in one direction and not in the other: one of the pieces or divisions forming a shell: (anat.) a membraneous fold resembling a valve or serving as a valve in connection with the flow of blood, lymph, or other fluid—also Val′va.—adjs. Val′val, pertaining to a valve; Val′vāte, having or resembling a valve or valves: (bot.) meeting at the edges without overlapping, as the petals of flowers; Valved, having or composed of valves.—ns. Valve′-gear, the mechanism for working a valve; Valve′let, Val′vūla, Val′vūle, a little valve: (bot.) formerly used of the pieces which compose the outer covering of a pericarp.—adj. Val′vūlar.—n. Valvūlī′tis, inflammation of one of the valves of the heart. [Fr.,—L. valva, a folding-door.]
Encapsulated, electrodes located in a partially evacuated of ATMOSPHERE, blown-glass envelope and employed as a radio tube (UK).Submitted by JP03 on November 10, 2014
British National Corpus
Rank popularity for the word 'valve' in Nouns Frequency: #2757
The numerical value of valve in Chaldean Numerology is: 3
The numerical value of valve in Pythagorean Numerology is: 8
Examples of valve in a Sentence
It relates to some quality control and some of the components of the valve.
Tears are the safety valve of the heart when too much pressure is laid on it.
Does a typical Florida area 'waterspout' feature a faucet or a shut-off valve?
Some patients with a loud faulty valve can even hear the sound of their valve at night when they are trying to fall asleep.
We should not interpret these results to suggest that you can have surgery or transcatheter valve replacement in whoever you want.
Popularity rank by frequency of use
Translations for valve
From our Multilingual Translation Dictionary
- vàlvulaCatalan, Valencian
- chlopeň, ventilCzech
- Ventil, KlappeGerman
- válvula, llaveSpanish
- ventiil, klappEstonian
- läppä, venttiiliFinnish
- valve, clapet, soupapeFrench
- pìob-chòmhla, duilleag-dhoras, cìochagScottish Gaelic
- փական, կափույրArmenian
- krāns, vārsts, ventilisLatvian
- ventilNorwegian Nynorsk
- zastawka, zawórPolish
- ventil, valvăRomanian
- задвижка, клапан, вентиль, заслонкаRussian
- కొలిమితిత్తి యొక్క మూత, కవాటముTelugu
- supap, kapakTurkish
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