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单词 torr
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WordReference Random House Unabridged Dictionary of American English © 2024
torr (tôr),USA pronunciation n. 
  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.
  • named after English. Torricelli 1945–50

Collins Concise English Dictionary © HarperCollins Publishers::
torr /tɔː/ n ( pl torr)
  1. a unit of pressure equal to one millimetre of mercury (133.322 newtons per square metre)
Etymology: 20th Century: named after E. Torricelli
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更新时间：2024/9/20 23:45:24