pressure gradient


noun Meteorology.

the change in atmospheric pressure per unit of horizontal distance in the direction in which pressure changes most rapidly.

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Also called barometric gradient.

Origin of pressure gradient

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for pressure gradient

pressure gradient

noun

the change of pressure per unit distanceSee adverse pressure gradient, favourable pressure gradient
meteorol the decrease in atmospheric pressure per unit of horizontal distance, shown on a synoptic chart by the spacing of the isobars
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