Torricellian tube
noun
: a glass tube open at one end and hermetically sealed at the other and of such length that when filled with a liquid (as mercury) and immersed at the open end in a vessel of the same liquid allowing the enclosed liquid to descend till it is counterbalanced by the pressure of the atmosphere a vacuum will be produced at the upper end
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“Torricellian tube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Torricellian%20tube. Accessed 26 Nov. 2024.
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