- a unit of pressure, being the pressure necessary to support a column of mercury one millimeter high at 0°C and standard gravity, equal to 1333.2 microbars.
Origin of torr
First recorded in 1945–50; named after E. Torricelli
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for torr
Take only a fraction from the income, and how would the Torr be kept up?
He might have reached the Torr the previous day; but he did not.
Taking a round to the Torr first, he drove into the back-yard.
They quitted the Torr for the blazing meadows, on their road home again.
Why, else, should his poor unquiet spirit haunt the region of the Torr?
- a unit of pressure equal to one millimetre of mercury (133.322 newtons per square metre)
C20: named after E. Torricelli
Word Origin and History for torr
unit of pressure, 1949, named for Italian physicist Evangelista Torricelli (1608-1647), inventor of the barometer.
Online Etymology Dictionary, © 2010 Douglas Harper