evangelista torricelli


[tawr-i-chel-ee; Italian tawr-ree-chel-lee]
Evangelista [e-vahn-je-lee-stah] , 1608–47, Italian physicist.

Torricellian, adjective
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World English Dictionary
Torricelli (ˌtɒrɪˈtʃɛlɪ)
Evangelista (evandʒeˈlista). 1608--47, Italian physicist and mathematician, who discovered the principle of the barometer

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American Heritage
Science Dictionary
Torricelli   (tō'rə-chěl'ē)  Pronunciation Key 
Italian mathematician and physicist noted for discovering that the atmosphere exerts pressure. He demonstrated that this pressure affected the level of mercury in a tube, thereby inventing the mercury barometer (1643).
The American Heritage® Science Dictionary
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