venturi

noun ven·tu·ri \ ven-ˈtu̇r-ē \

Definition of venturi

: a short tube with a tapering constriction in the middle that causes an increase in the velocity of flow of a fluid and a corresponding decrease in fluid pressure and that is used especially in measuring fluid flow or for creating a suction (as for driving aircraft instruments or drawing fuel into the flow stream of a carburetor)

Recent Examples of venturi from the Web

The most obvious place to begin is at the rear, where the central venturi tunnels dump their airflow.

— davey g. johnson, Car and Driver, "Valkyrie Exposed! Aston Martin Reveals Wild Hypercar Images and Details," 12 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'venturi.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of venturi

after Giovanni Battista Venturi *1746 †1822 Italian physicist, who described the decrease in fluid pressure that takes place in such a tube in 1797

NEW! Time Traveler

First Known Use: 1887

in the meaning defined above

See Words from the same year

Venturi

biographical name Ven·tu·ri \ ven-ˈtu̇r-ē \

Definition of Venturi

Robert Charles 1925– American architect

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