from the GNU version of the Collaborative International Dictionary of English
- adj. a vacuum produced by filling with a fluid, as mercury, a tube hermetically closed at one end, and, after immersing the other end in a vessel of the same fluid, allowing the inclosed fluid to descend till it is counterbalanced by the pressure of the atmosphere, as in the barometer.
- n. See under Torricellian.
Sorry, no etymologies found.
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