Meaning of venturi tube

ven•tu'ri tube"

Pronunciation: (ven-toor'ē), [key]
  1. a device for measuring the flow of a fluid, consisting of a tube with a short, narrow center section and widened, tapered ends, so that a fluid flowing through the center section at a higher velocity than through an end section creates a pressure differential that is a measure of the flow of the fluid.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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