inch of mercury
noun
a unit of atmospheric pressure, being the pressure equal to that exerted by a column of mercury one inch high under standard conditions of temperature and gravity: 33.864 millibars. Abbreviation: in. Hg
Words nearby inch of mercury
incest, incestuous, inch, inch along, inch by inch, inch of mercury, inch plant, inch-pound, incher, inchmeal, inchoate
Origin of inch of mercury
First recorded in 1825–35
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020