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mm Hg

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Definition of mm Hg

abbreviation
millimeters of mercury.
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British Dictionary definitions for mm Hg

mmHg

abbreviation for
millimetre(s) of mercury (a unit of pressure equal to the pressure that can support a column of mercury 1 millimetre high)
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
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