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
Origin of inch of mercury
First recorded in 1825–35
Words nearby inch of mercury
incest,
incestuous,
inch,
inch along,
inch by inch,
inch of mercury,
inch plant,
inch-pound,
incher,
inchmeal,
inchoate