pitot tube

noun

pi·​tot tube ˈpē-ˌtō- How to pronounce pitot tube (audio)
often capitalized P
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
2

Examples of pitot tube in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Problems with pitot tubes had affected Airbus aircraft in the past, but the company had not corrected the problem. Saskya Vandoorne, CNN, 17 Apr. 2023 The angle-of-attack sensors look like wind vanes, whereas the pitot tubes look like, well, tubes. IEEE Spectrum, 18 Apr. 2019 The pitot tube’s measurements can show if the plane is flying fast enough to be stable, or if the plane is flying too slow, putting it at risk of stalling. Theresa MacHemer, Smithsonian Magazine, 1 Dec. 2020 Critics say the planemaker and airline didn’t take the pitot tubes problems seriously enough. Washington Post, 5 Sep. 2019 Modern jets have several devices called pitot tubes and computers that process information about speed, heading, nose angle, altitude and other information. Washington Post, 6 Sep. 2019 An American mechanic discovered a loose pitot tube and an ADM obstructed by a dark Styrofoam-type material. Dawn Gilbertson, USA TODAY, 6 Sep. 2019 The case has led to new air safety rules regarding speed sensors known as pitot tubes. Washington Post, 5 Sep. 2019 Problems with malfunctioning pitot tubes—airspeed sensors located under the noses of aircraft—have been well documented over the years and resulted in a number of high-profile passenger-aircraft accidents. Robert Wall, WSJ, 30 Oct. 2018

Word History

Etymology

French (tube de) Pitot, from Henri Pitot †1771 French physicist

First Known Use

1852, in the meaning defined at sense 1

Time Traveler
The first known use of pitot tube was in 1852

Dictionary Entries Near pitot tube

Cite this Entry

“Pitot tube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pitot%20tube. Accessed 15 Nov. 2024.

Medical Definition

pitot tube

noun
pi·​tot tube ˌpē-ˌtō- How to pronounce pitot tube (audio)
often capitalized P
: a device that consists of a tube having a short right-angled bend which is placed vertically in a moving body of fluid with the mouth of the bent part directed upstream and that is used with a manometer to measure the velocity of fluid flow (as in a blood vessel)

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