| 单词 | torricellian vacuum |
| 释义 | > as lemmasTorricellian vacuum Torricellian experiment, that by which, in 1643, Torricelli proved that the column of mercury in an inverted closed tube is supported by the pressure of the atmosphere on the mercury in the vessel, and that the height of the column corresponds exactly to the atmospheric pressure. Torricellian tube, early name for the tube of the mercurial barometer. Torricellian vacuum, the vacuum above the mercurial column in the barometer, produced by filling the tube with mercury and then inverting it in a cup of mercury.extracted from Torricellianadj.< as lemmas |
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