Torricellian vacuum

British  

noun

1. the vacuum at the top of a Torricellian tube

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Etymology

Origin of Torricellian vacuum

C17: named after E. _Torricelli

Example Sentences

The latter showed that the Torricellian vacuum was not essential to the phenomenon, for the same glow was apparent when mercury was shaken with air only partially rarefied.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" by Various

To the average Western mind it is the nearest approach to a Torricellian vacuum of intelligibility that language can pump out of itself.

From Ralph Waldo Emerson by Holmes, Oliver Wendell

In reference to the Torricellian vacuum, he says, 'Perhaps it is hardly necessary for me to state that I find both iron and bismuth in such vacua perfectly obedient to the magnet.

From Faraday as a Discoverer by Tyndall, John

Being 30 inches long up to the bottom of the expanded portion, or lamp globe, the mercury fell below this and left a Torricellian vacuum there.

From Scientific American Supplement, No. 344, August 5, 1882 by Various

The Torricellian vacuum, if perfectly free from air, is said by Mr. Morgan and others to be a perfect non-conductor.

From The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation by Darwin, Erasmus