venturi tube

or Ven·tu·ri tube

[ ven-toor-ee ]
/ vɛnˈtʊər i /
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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.
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Origin of venturi tube

Named after G. B. Venturi (1746–1822), Italian physicist whose work led to its invention
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use venturi tube in a sentence

British Dictionary definitions for venturi tube

Venturi tube
/ (vɛnˈtʃuːrI) /

physics a device for measuring fluid flow, consisting of a tube so constricted that the pressure differential produced by fluid flowing through the constriction gives a measure of the rate of flow
Also called: venturi a tube with a constriction used to reduce or control fluid flow, as one in the air inlet of a carburettor

Word Origin for Venturi tube

C19: named after G. B. Venturi (1746–1822), Italian physicist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012