valve

noun, verb — 10 senses

valve

noun

/ˈvælv/

Etymology From Middle English valve, from Latin valva (“double door, valve”). Doublet of valva.

9 senses
  1. 1A device that controls the flow of a gas or fluid…
  2. 2Such a device that admits fuel and air into the cylinder…
  3. 3One or more membranous partitions, flaps, or folds…
  4. 4One of the leaves of a folding door or of a window sash.
  5. 5A vacuum tube.
  6. 6One of the pieces into which certain fruits naturally…
  7. 7A small portion of certain anthers, which opens like a…
  8. 8One of the pieces or divisions of bivalve or multivalve shells.
  9. 9One of the two similar portions of the shell of a diatom.
1

A device that controls the flow of a gas or fluid through a space, such as a pipe, manifold, or plenum.

  • open the valve
  • close the valve
2 more examples
  • shut off the valve
  • An oil refinery has an impressively vast number and variety of valves.
2

Such a device that admits fuel and air into the cylinder of an internal combustion engine, or one that allows combustion gases to exit.

  • Near-synonym: poppet valve
  • In nearly all internal combustion engines, the valves are of the poppet type.
3

Anatomy, Medicine, Sciences 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 control the flow in the opposite direction.

  • the ileocecal valve
  • the atrioventricular valves
4

One of the leaves of a folding door or of a window sash.

5

UK A vacuum tube.

6

Biology, Botany, Natural sciences One of the pieces into which certain fruits naturally separate when they dehisce.

7

Biology, Botany, Natural sciences A small portion of certain anthers, which opens like a trapdoor to allow the pollen to escape, such as in the barberry.

8

Biology, Natural sciences One of the pieces or divisions of bivalve or multivalve shells.

9

Biology, Natural sciences One of the two similar portions of the shell of a diatom.

Derived terms
98 termsaortic valve, atrioventricular valve, bag valve mask, ball valve, Bauhin's valve, bicuspid valve, blow valve, butterfly valve, check valve, choke valve, clack valve, colic valve, continuous variable valve timing, demand valve, Douglas valve, D valve, equivalve, escape valve, Eustachian valve, exhaust valve, flapper valve, Fleming valve, foot valve, freeze valve, French valve, gate valve, head valve, heart valve, ileocaecal valve, ileocecal valve, inlet valve, intake valve, jockey valve, Kingston valve, leaf valve, mitral valve, needle valve, non-return valve, overhead valve, pilot valve, piston valve, plug valve, poppet valve, pressure valve, pulmonary valve, pulmonic valve, pump valve, puppet valve, pyloric valve, quadrivalve, relief valve, retaining valve, return valve, reversing valve, safety-valve, safety valve, screw valve, scum valve, semilunar valve, sequential valve timing, side valve, slide valve, sluice valve, snifter valve, snifting valve, spring valve, stop valve, suction valve, swing check valve, tail valve, Thebesian valve, thermionic valve, throttle valve, toggle valve, tricuspid valve, triple valve, trivalve, Tulpius valve, Tulp's valve, univalve, vacuum valve, valval, valvar, valve amplifier, valved, valve gear, valveless, valve of Kerckring, valve of Thebesius, valve of Varolius, valve oil, valve snail, valve timing, valve train, valvoplasty, variable valve timing, vein valve, Wade-Dahl-Till valve

valve

verb

Etymology From Middle English valve, from Latin valva (“double door, valve”). Doublet of valva.

1

To control (flow) by means of a valve.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.