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British Dictionary definitions for torricellian tube

Torricellian tube

noun
  1. a vertical glass tube partly evacuated and partly filled with mercury, the height of which is used as a measure of atmospheric pressure
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Word Origin

C17: named after E. Torricelli
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012