Definition of pitot tube
1
: a device that consists of a tube having a short right-angled bend which is placed vertically in a moving body of fluid (such as air) with the mouth of the bent part directed upstream and that is used with a manometer to measure the velocity of fluid flow
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Merriam-Webster unabridged
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Time Traveler for pitot tube
The first known use of pitot tube was in 1852
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