Pitot tube

Pitot tube

[pee-toh, pee-toh]
noun
(often lowercase) an instrument for measuring fluid velocity, consisting of a narrow tube, one end of which is open and faces upstream, the other end being connected to a manometer.

Origin:
1880–85; named after Henri Pitot (1695–1771), French physicist, who invented it

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Pitot tube (ˈpiːtəʊ)
 
n
1.  a small tube placed in a fluid with its open end upstream and the other end connected to a manometer. It measures the total pressure of the fluid
2.  short for Pitot-static tube, esp one fitted to an aircraft
 
[C18: named after its inventor, Henri Pitot (1695--1771), French physicist]

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