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needful
Needham
needle
needle exchange
needle grass
needle-leaf tree
needle match
needle time
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needle valve
nee·dle valve (plural nee·dle valves)


noun 
Definition:
 
control valve: a valve in which the flow of a fluid or gas is precisely controlled by a needle-shaped insert in a conical seat
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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