valve (redirected from bileaflet valve)

valve  (vlv) n. 1. Anatomy A membranous structure in a hollow organ or passage, as in an artery or vein, that folds or closes to prevent the return flow of the body fluid passing through it. 2. a. Any of various devices that regulate the flow of gases, liquids, or loose materials through piping or through apertures by opening, closing, or obstructing ports or passageways. b. The movable control element of such a device. c. Music A device in a brass wind instrument that permits change in pitch by a rapid varying of the air column in a tube. 3. Biology a. One of the paired, hinged shells of certain mollusks and of brachiopods. b. One of the two silicified halves of the cell wall of a diatom. c. The entire, one-piece shell of a snail and certain other mollusks. 4. Botany a. One of the sections into which the wall of a seedpod or other dehiscent fruit splits. b. A lidlike covering of an anther. 5. Chiefly British An electron tube or a vacuum tube. 6. Archaic Either half of a double or folding door. tr.v. valved, valv·ing, valves 1. To provide with a valve. 2. To control by means of a valve. [Middle English, leaf of a door, from Latin valva; see wel-2 in Indo-European roots.] valveless adj.

valve top: closed check valve bottom: open check valve

---

valve [vælv]

n

1. (Engineering / Mechanical Engineering) any device that shuts off, starts, regulates, or controls the flow of a fluid

2. (Life Sciences & Allied Applications / Anatomy) Anatomy a flaplike structure in a hollow organ, such as the heart, that controls the one-way passage of fluid through that organ

3. (Electronics) Also called tube vacuum tube an evacuated electron tube containing a cathode, anode, and, usually, one or more additional control electrodes. When a positive potential is applied to the anode, electrons emitted from the cathode are attracted to the anode, constituting a flow of current which can be controlled by a voltage applied to the grid to produce amplification, oscillation, etc. See also diode [2] triode [1] tetrode, pentode

4. (Life Sciences & Allied Applications / Zoology) Zoology any of the separable pieces that make up the shell of a mollusc

5. (Music, other) Music a device on some brass instruments by which the effective length of the tube may be varied to enable a chromatic scale to be produced

6. (Life Sciences & Allied Applications / Botany) Botany

a.  any of the several parts that make up a dry dehiscent fruit, esp a capsule

b.  either of the two halves of a diatom cell wall

7. (Fine Arts & Visual Arts / Architecture) Archaic a leaf of a double door or of a folding door

[from Latin valva a folding door]

valveless  adj

valvelike  adj

---

valve  (vlv)

1.

a. Any of various mechanical devices that control the flow of liquids, gases, or loose material through pipes or channels by blocking and uncovering openings.

b. The movable part or element of such a device.

2. Any of various structures that prevent the backward flow of a body fluid, such as blood or lymph. Valves in the heart, veins, and lymphatic vessels contain flaps (known as cusps) that close in response to pressure created by the backflow of fluid.

3. One of the paired hinged shells of certain mollusks, such as clams and oysters.

4. See electron tube.

Thesaurus

Noun	1.	valve - a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure" ticker, heart, pump - the hollow muscular organ located behind the sternum and between the lungs; its rhythmic contractions move the blood through the body; "he stood still, his heart thumping wildly" cardiac valve, heart valve - a valve to control one-way flow of blood valvelet, valvula, valvule - a small valve 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
	2.	valve - device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone brass instrument, brass - 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 device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
	3.	valve - control consisting of a mechanical device for controlling the flow of a fluid throttle, throttle valve, accelerator - a valve that regulates the supply of fuel to the engine 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 choke - a valve that controls the flow of air into the carburetor of a gasoline engine clack valve, clapper valve, clack - a simple valve with a hinge on one side; allows fluid to flow in only one direction controller, control - a mechanism that controls the operation of a machine; "the speed controller on his turntable was not working properly"; "I turned the controls over to her" exhaust valve - a valve through which burned gases from a cylinder escape into the exhaust manifold handwheel - control consisting of a wheel whose rim serves as the handle by which a part is operated handwheel - a wheel worked by hand intake valve - a valve that controls the flow of fluid through an intake poppet, poppet valve - a mushroom-shaped valve that rises perpendicularly from its seat; commonly used in internal-combustion engines escape cock, escape valve, relief valve, safety valve, 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
	4.	valve - the entire one-piece shell of a snail and certain other molluscs shell - the hard largely calcareous covering of a mollusc or a brachiopod
	5.	valve - one of the paired hinged shells of certain molluscs and of brachiopods shell - the hard largely calcareous covering of a mollusc or a brachiopod

Translations

valve [vælv]

A. N (Anat, Mech) → válvula f (Rad, TV) → lámpara f, válvula f (Bot, Zool) → valva f; [of musical instrument] → llave f

B. CPD valve tester N → comprobador m de válvulas

---

valve [ˈvælv] n

(in machine) → soupape f

(on tyre) → valve f

(ANATOMY) (in heart) → valvule f

(in radio) → lampe f

---

valve

n (Anat) → Klappe f; (Tech, on musical instrument) → Ventil nt; (in pipe system) → Absperrhahn m; (Rad, TV) → Röhre f; inlet/outlet valve (Aut) → Einlass-/Auslassventil nt

---

valve [vælv] n (all senses) → valvola

---

valve

n valve [vӕlv]

1 a device for allowing a liquid or gas to pass through an opening in one direction only. klep صِمام вентил ventil ventil das Ventil βαλβίδα válvula ventiil سوپاپ venttiili valve, soupape שַסתוֹם वाल्व एक`ओर खुलने वाला वायु गैस द्रव के संचार का यंत्र ventil szelep katup loki, ventill valvola 弁 밸브 vožtuvas vārsts; ventilis injap klep ventil, klaff zawór válvula valvă, supapă клапан ventil ventil ventil ventil ลิ้นปิดเปิด valf, vana 閥 клапан, вентиль والو، گيس يا رقيق مادے کو گزارنے والا آلہ van 阀

2 a structure with the same effect in an animal body Valves in the heart control the flow of blood in the human body. klep صِمام القَلْب анат. клапа chlopeň klap die Klappe βαλβίδα válvula klapp دریچه läppä valvule שַסתוֹם हृदय में रक्त वाहक वाल्व srčani zalistak billentyű katup (hjarta-/bláæða-/ristil)loka valvola 弁 인체의 유동체의 흐름의 방향을 통제하는 판막 vožtuvas vārstulis injap klep ventil, klaff zastawka válvula valvă клапан chlopňa zaklopka zalistak klaff ลิ้นปิดเปิดหัวใจ kapakçık 瓣膜 клапан جسم کا ايک عضو van tim 瓣膜

3 a type of electronic component found in many, especially older, types of television, radio etc. buis صِمام الراديو او التلفِزْيون електронна лампа lampa (radio-)rør die Röhre λυχνία lámpara elektronlamp لامپ خلاء putki lampe שְפוֹפֶרֶת, מְנוֹרָה वाल्व, कपाट, पूटक cijevni ispravljač rádiócső komponen elektronik lampi valvola 真空管 진공관 elektroninė lempa elektronu lampa injap buis radiolampe/-rør lampa elektronowa válvula lampă (de radio) электронная лампа elektrónka elektronka elektronska cev rör หลอดสุญญากาศซึ่งควบคุมการไหลของกระแสไฟฟ้าในวิทยุหรือโทรทัศน์ radyo/elektronik lâmba 真空管 електронна лампа ايک اليکٹرانک جز đèn chân không 真空管