torr

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torr

 [tor]
a unit of pressure equal to one millimeter of mercury (mm Hg), or 133.3 pascals.

torr

(tōr),
A unit of pressure sufficient to support a 1-mm column of mercury at 0°C against the standard acceleration of gravity at 45° north latitude (980.621 cm/s2); equivalent to 1333.224 dynes/cm2, 1.333224 millibars, 1.35951 cm of H2O, 133.3224 newtons/m2 (or Pa); 1 atmosphere (atm) equals 760 Torr.
[Evangelista Torricelli]

torr

[tôr]
Etymology: Evangelista Torricelli, Italian physicist, 1608-1647
a unit of pressure equal to 1333.22 dynes/cm2, or 1.33322 millibars. One torr is the pressure required to support a column of mercury 1 mm high when the mercury is of standard density and subjected to standard acceleration. These standard conditions are 0° C and 45° latitude, where the acceleration of gravity is 980.6 cm/sec2. In reading a mercury barometer at other temperatures and latitudes, corrections commonly exceeding 2 torr may be required to compensate for the thermal expansion of the measuring scale used.

Torricelli,

Evangelista, Italian scientist, 1608-1647.
torr - a unit of pressure.
torricellian vacuum - a vacuum above the mercury in a barometer tube.

torr (tōr),

n a unit of pressure equivalent to 0.001316 atmosphere; named after the physicist Torricelli. Also called
mm Hg.
References in periodicals archive ?
Torres picked up a charge in Maryland while she was heading to Massachusetts.
Next year, we will come here to celebrate Vacheron Constantin's 260th anniversary and we have specific products for the event, and we would be happy if we could organise a similar event specifically for Qatar," Torres told Gulf Times .
The voluntary blood test results showed that in 2012 13, one in ten Aboriginal and Torres Strait Islander adults had diabetes.
Inter Milan are in pole position for Torres, 30, who has two years left on his Chelsea contract but will be allowed to leave for around PS12million, a fraction of the Britishrecord PS50m fee the Blues paid Liverpool for him in 2011.
Says Torres IT Director Jeff Urban, "Prepare yourself for the new battleground at the Torres Cybersecurity Training Center.
The only way Torres can get back into the fans' good books is by scoring goals and lots of them - and at the moment I can't see that happening.
They must have heard the rumours that Roman Abramovich has torn down those Torres posters from his bedroom wall.
Torres makes answers based on his years of experience in the Secret Service and in Miami Executive Protection available at his website, http://torresprotectiongroup.
Torres, a [pounds sterling]50m signing from rivals Liverpool, has been in abysmal form since his transfer from Anfield and his fortunes do not seem to have changed since the appointment of compatriot Benitez.
Chelsea star Torres has played little part in Spain's progress to tonight's final in Kiev and has had to watch his Manchester City rival light up the tournament.
Torres has scored just 12 goals in 16 months at Chelsea since his move from Liverpool, and was not trusted by interim manager Roberto Di Matteo to even take a penalty in dramatic shoot-out Champions League final triumph over Bayern Munich.
DUBAI - Condolences poured in for Dante Torres, Filipino and resident of the UAE resident, who recently died during a kite-surfing incident, while he was holidaying in the United States.