Torricellian
Torricellian Tor`ri*cel"li*an, a. Of or pertaining to Torricelli, an Italian philosopher and mathematician, who, in 1643, discovered that the rise of a liquid in a tube, as in the barometer, is due to atmospheric pressure. See {Barometer}. [1913 Webster]

{Torricellian tube}, a glass tube thirty or more inches in length, open at the lower end and hermetically sealed at the upper, such as is used in the barometer.

{Torricellian vacuum} (Physics), a vacuum produced by filling with a fluid, as mercury, a tube hermetically closed at one end, and, after immersing the other end in a vessel of the same fluid, allowing the inclosed fluid to descend till it is counterbalanced by the pressure of the atmosphere, as in the barometer. --Hutton. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • torricellian — tor·ri·cel·li·an (tor″e chelґe ən) named for Evangelista Torricelli, Italian mathematician, 1608–1647, as torricellian vacuum …   Medical dictionary

  • Torricellian — adjective Of or pertaining to Italian mathematician and physicist …   Wiktionary

  • torricellian — tor·ri·cel·li·an …   English syllables

  • torricellian — |tȯrə|chelēən, |tär , rə|sel adjective Usage: usually capitalized Etymology: Evangelista Torricelli died 1647 Italian mathematician and physicist + English an : of or relating to the Italian physicist and mathematician Torricelli closely… …   Useful english dictionary

  • Torricellian tube — Torricellian Tor ri*cel li*an, a. Of or pertaining to Torricelli, an Italian philosopher and mathematician, who, in 1643, discovered that the rise of a liquid in a tube, as in the barometer, is due to atmospheric pressure. See {Barometer}. [1913… …   The Collaborative International Dictionary of English

  • Torricellian vacuum — Torricellian Tor ri*cel li*an, a. Of or pertaining to Torricelli, an Italian philosopher and mathematician, who, in 1643, discovered that the rise of a liquid in a tube, as in the barometer, is due to atmospheric pressure. See {Barometer}. [1913… …   The Collaborative International Dictionary of English

  • torricellian vacuum — n. a vacuum formed when mercury in a long tube closed at one end is inverted with the open end in a reservoir of mercury (the principle on which a barometer is made). Etymology: Torricelli: see TORR * * * noun Usage: usually capitalized T : the… …   Useful english dictionary

  • Torricellian vacuum — Vacuum Vac u*um, n.; pl. E. {Vacuums}, L. {Vacua}. [L., fr. vacuus empty. See {Vacuous}.] 1. (Physics) A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the… …   The Collaborative International Dictionary of English

  • Torricellian chamber — In cave diving, a Torricellian chamber is a cave chamber full of water at less than atmospheric pressure. It happens when the water level drops and there is no way for air to get into the chamber. In theory it could risk decompression sickness,… …   Wikipedia

  • torricellian tube — noun Usage: usually capitalized 1st T : 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… …   Useful english dictionary

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