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A non-SI manometric unit of pressure equal to 1/760 of a standard atmosphere (a standard atmosphere being defined as equal to 101325 pascals). One Torr is equal to 133.3223684 pascals.
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A unit of pressure equal to 0.001316 atmosphere and equal to the pressure indicated by one millimeter rise of mercury in a barometer at the Earth\'s surface. (NCI)
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