- torricellian vacuum
- the vacuum in a barometric tube.
Medical dictionary. 2011.
torricellian vacuum
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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 — 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 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
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 interior of a … The Collaborative International Dictionary of English
Vacuum brake — 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
Vacuum pan — 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
Vacuum pump — 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
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
