Definition of Torricellian vacuum in English:

Share this entry

Torricellian vacuum

Pronunciation: /ˌtɔːrɪˈtʃɛlɪən/
Pronunciation: /-ˈsɛlɪən/


A vacuum formed above the column of mercury in a mercury barometer.
Example sentences
  • Make two nested fields, then shrink the internal one to produce a Torricellian vacuum between the two fields.
  • As early as 1670, a French scientist, observed a bluish phosphorescence in the Torricellian vacuum of a barometer, after the mercury column had been shaken up and down.
  • I was concerned however, that the air at the top of the upright would be at a very low pressure, (Torricellian vacuum), and hence a regular airpump would not work.

For editors and proofreaders

Line breaks: Tor¦ri|cel¦lian vac¦uum

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.