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
Torricellian tube — /tɒrətʃɛliən ˈtjub/ (say toruhcheleeuhn tyoohb) noun a vertical and partially evacuated glass tube which is sealed at the top but open at the bottom to a reservoir of liquid which rises or falls in the tube in response to atmospheric pressure;… …
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]… … 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 vacuum — the vacuum in a barometric tube … Medical dictionary
Torricellian vacuum — [ˌtɔ:rɪ tʃɛlɪən, sɛlɪən] noun a vacuum formed above the mercury column in a barometer when the tube is longer than the height of mercury sustainable by atmospheric pressure. Origin from the name of the 17th cent. Italian mathematician and… … English new terms dictionary
Vacuum tube — 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
TORRICELLI, EVANGELISTA — a celebrated Italian physicist; devoted himself to science, and attracted the attention of Galileo, whom he subsequently succeeded as professor at the Florentine Academy; discovered the scientific principle of the barometer, which is sometimes … The Nuttall Encyclopaedia
