Definitions
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- adjective Of or pertaining to Evangelista Torricelli, Italian mathematician and physicist
Etymologies
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Examples
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The vacancy at the summit of the barometer is termed the Torricellian vacuum, and the exhausted receiver of an air pump the Boylean vacuum, in honour of these two philosophers.
The Botanic Garden A Poem in Two Parts. Part 1: the Economy of Vegetation Erasmus Darwin 1766
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[25] Torricellian experiment: a reference to the discovery of the principle of the barometer by the
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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.
Scientific American Supplement, No. 344, August 5, 1882 Various
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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.
Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" Various
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Its shoulder or fall should stand rather higher than the shoulders of the fall tubes, so that the mercury may run in a thin stream through a good Torricellian vacuum before it passes down to the fall tubes.
On Laboratory Arts Richard Threlfall
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In this apparatus a Torricellian vacuum is used as a means of displacing the air surrounding the grains of powder, and through very simple manipulation the true density of black powder is determined with a high degree of accuracy.
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The column of mercury invariably fell to about twenty-eight inches, leaving an empty space (Torricellian vacuum) above its level (1643).
The Catholic Encyclopedia, Volume 14: Simony-Tournon 1840-1916 1913
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Torricellian method of getting a very high vacuum is still often employed.
The Catholic Encyclopedia, Volume 14: Simony-Tournon 1840-1916 1913
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It was only necessary, therefore, to scratch a scale on the glass tube, indicating relative atmospheric pressures, and the Torricellian barometer was complete.
A History of Science: in Five Volumes. Volume II: The Beginnings of Modern Science 1904
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To the average Western mind it is the nearest approach to a Torricellian vacuum of intelligibility that language can pump out of itself.
Ralph Waldo Emerson Holmes, Oliver W 1891
ruzuzu commented on the word Torricellian
"Pertaining to Evangelista Torricelli, an Italian physicist and mathematician (1608–47), who, in 1643, discovered the principle on which the barometer is constructed, by means of an experiment called from him the Torricellian experiment. This experiment consisted in filling with mercury a glass tube closed at one end and then inverting it; the open end was then brought under the surface of mercury in a vessel, when the column of mercury in the tube was observed to descend till it stood at a height equal to about 30 inches above the level of the mercury in the vessel, leaving a vacuum at the top, between the upper extremity of the column and that of the tube. This experiment led to the discovery that the column of mercury in the tube is supported by the pressure of the atmosphere acting on the surface of the mercury in the vessel, and that this column is an exact counterbalance to the atmospheric pressure. See barometer." -- from the Cent. Dict. definition for torricellian (with a lower-case T)
August 4, 2011
hernesheir commented on the word Torricellian
The term abelian is an eponymous adjective the mathematicians succeeded in decapitalizing, and did so, I believe, without the help of a dictionary.
December 16, 2011