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Torricellian tube

/ ˌtɒrɪˈsɛlɪən /

noun

  1. a vertical glass tube partly evacuated and partly filled with mercury, the height of which is used as a measure of atmospheric pressure


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Word History and Origins

Origin of Torricellian tube1

C17: named after E. Torricelli

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TorricelliTorricellian vacuum