follow Dictionary.com

Submit your word to be a Word of the Day!

torr

[tawr] /tɔr/
noun
1.
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
1945-1950
1945-50; named after E. Torricelli
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for torr

torr

/tɔː/
noun (pl) torr
1.
a unit of pressure equal to one millimetre of mercury (133.322 newtons per square metre)
Word Origin
C20: named after E. Torricelli
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for torr
n.

unit of pressure, 1949, named for Italian physicist Evangelista Torricelli (1608-1647), inventor of the barometer.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for torr

Many English speakers likely know this word

Word Value for torr

4
4
Scrabble Words With Friends