Torricellian barometer
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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 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 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
Torricellian vacuum — vacuum above the column of a barometer (named after the 17th century Italian physicist Evangelista Torricellian) … English contemporary 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
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;… …
mercury barometer — noun A barometer which indicates the atmospheric pressure by measuring the height of a column of mercury in a vertical, evacuated tube. Syn: Torricellian barometer … Wiktionary
