Torricelli Evangelista

Tor·ri·cel·li

 (tôr′ə-chĕl′ē, tôr′ē-), Evangelista 1608-1647.
Italian mathematician and physicist who invented the mercury barometer.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Tor·ri·cel·li

(tō′rə-chĕl′ē), Evangelista 1608-1647.
Italian mathematician and physicist who discovered that the atmosphere exerts pressure. He demonstrated that this pressure affected the level of mercury in a tube, thereby inventing the mercury barometer.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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