valve
[ valv ]
/ vælv /
noun
verb (used with object), valved, valv·ing.
to provide with a means of controlling the flow of liquid, gas, etc., by inserting a valve.
Origin of valve
1350–1400; Middle English < Latin
valvae leaves of a door
OTHER WORDS FROM valve
valve·less, adjective valve·like, adjective un·der·valve, nounWords nearby valve
valuer general,
valuta,
valval,
valvar,
valvate,
valve,
valve gear,
valve lifter,
valve spring,
valve stem,
valve trombone
Example sentences from the Web for valve
British Dictionary definitions for valve
valve
/ (vælv) /
noun
Derived forms of valve
valveless, adjective valvelike, adjectiveWord Origin for valve
C14: from Latin
valva a folding door
Medical definitions for valve
valve
[ vălv ]
n.
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.
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.
The movable control element of such a device.
Scientific definitions for valve
valve
[ vălv ]
- Any of various mechanical devices that control the flow of liquids, gases, or loose material through pipes or channels by blocking and uncovering openings.
- The movable part or element of such a device.
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.
One of the paired hinged shells of certain mollusks, such as clams and oysters.
See electron tube.