needle valve

American  

noun

Machinery.

1. a valve with a needlelike part, a fine adjustment, or a small opening, especially a valve in which the opening is controlled by a needlelike or conical point that fits into a conical seat.

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needle valve British  

noun

1. a valve containing a tapered rod that can be moved in or out to control the flow of a fluid

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Etymology

Origin of needle valve

First recorded in 1900–05

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Example Sentences

See Examples For:

needle valve

There is a needle valve, and the point must be on the needle and must sit in its hole or the carburetor does not work.

From "Cannery Row" by John Steinbeck

For a while they spoke of the difficulties Gay must be having getting a needle valve and then gradually as the time passed they didn’t mention him any more.

From "Cannery Row" by John Steinbeck

I turned on the switch, opened the needle valve, swung the throttle over to the notch numbered with a big "2."

From The River and I by John G. Neihardt

Maybe the mixture—" "Yeah," Bud interrupted with a secret grin, "I've been wondering about that, and the needle valve, and the feed pipe, and a few other little things.

From Cabin Fever by B. M. Bower

"A bit of rubber washer choked the needle valve."

From Tom Swift Among the Fire Fighters, or, Battling with Flames from the Air by Victor [pseud.] Appleton

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