needle valve


noun Machinery.

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.

Origin of needle valve

First recorded in 1900–05

Example sentences from the Web for needle valve

British Dictionary definitions for needle valve

needle valve

noun

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