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
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Origin of inch of mercury
First recorded in 1825–35
Words nearby inch of mercury
incher, inchmeal, inchoate, inchoation, inchoative, inch of mercury, Inchon, in chorus, inch plant, inch-pound, inchworm
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020