n. a vacuum formed when mercury in a long tube closed at one end is inverted with the open end in a reservoir of mercury (the principle on which a barometer is made).
[ Torricelli: see TORR ]
TORRICELLIAN VACUUM
Meaning of TORRICELLIAN VACUUM in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012