Definition of valve
- one of the two or more separable pieces composing certain shells.
- either half of the silicified shell of a diatom.
- one of the segments into which a capsule dehisces.
- a flap or lidlike part of certain anthers.
Origin of valve
OTHER WORDS FROM valvevalveless, adjectivevalvelike, adjectiveun·der·valve, noun
Words nearby valve
How to use valve in a sentence
It is more in the shutting off of the valve that you are inclined to struggle.Two historical mystery novels plunge readers into the past while keeping them guessing|Clare McHugh|February 8, 2021|Washington Post
These days, the bags usually have valves on them to prevent dust escaping, and when the bag is full, it’s relatively easy and mess-free to dispose of the entire bag and its dusty contents.
Air also exits through a valve located elsewhere on the hood.Those ‘gas masks’ at the Capitol were actually escape hoods|Rob Verger|January 11, 2021|Popular-Science
I have now found the irrigation line for that half of the house, confirmed it by turning the valve off, and also went into the crawl space to confirm it’s using soft water.
Some valved masks do have filters between the valve and the outside world, he says, which would reduce or prevent the spread of the virus.Why you should think twice before opting for a valved N95 mask|Kat Eschner|November 12, 2020|Popular-Science
Such and such a time, such and such a day, then trouble with the valve.Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days|David Freeman|December 13, 2014|DAILY BEAST
The flawed valve was rapidly replaced by a more robust system.The Exemplary Plane at the Heart of the MH370 Mystery|Clive Irving|March 27, 2014|DAILY BEAST
This safety valve allows citizens to sound the alarm and challenge those whose views are hateful and totalitarian.The Opponents of Militant Islamism Are Often As Bigoted as Their Targets|Jacob Mchangama|December 7, 2013|DAILY BEAST
[W] thout an exchange-rate safety valve you need an alternate way to rebalance economies.
He also might have a heart-valve problem, but recovery from repair of these generally takes longer than a few days.John Edwards Doctor's Notes Push Back Trial: Is He Really Sick?|Kent Sepkowitz|January 14, 2012|DAILY BEAST
A feed-pump forced water into the boilers; each had a safety-valve with a lever and weight.
The valve-seat H has formed on its lower surface two crescent shaped long and narrow slits.The Recent Revolution in Organ Building|George Laing Miller
The discharge-valve was then opened for a moment, allowing a blast of steam to escape, reducing the pressure say to one-half.
The valve open while the plunger-pole ascended 20 inches, then went the remainder of the 10-feet stroke expansive.
The engine boy having fixed the safety-valve while he fished for eels, caused an explosion of the boiler.
British Dictionary definitions for valve
- any of the several parts that make up a dry dehiscent fruit, esp a capsule
- either of the two halves of a diatom cell wall
Derived forms of valvevalveless, adjectivevalvelike, adjective
Word Origin for valve
Medical definitions for valve
Scientific definitions for valve
- 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.