torr

torr

[tawr]
noun
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:
1945–50; named after E. Torricelli

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World English Dictionary
torr (tɔː)
 
n , pl torr
a unit of pressure equal to one millimetre of mercury (133.322 newtons per square metre)
 
[C20: named after E. Torricelli]

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