A unit of pressure equal to that exerted under standard gravity by a height of one millimetre of mercury, or 133.322 pascals.
Chemistry
A unit of pressure equal to that exerted under standard gravity by a height of one millimetre of mercury, or 133.322 pascals.
Chemical Engineering
A unit of pressure used in manometers and barometers in which mercury is used as the manometric fluid. Standard atmospheric pressure (101 325 Pa) is equal to 760 mmHg. A pressure of 1 mmHg is equal to 133 322 Pa.
Biology
A unit of pressure equal to that exerted under standard gravity by a height of one millimetre of mercury, or 133.322 pascals.